279899620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 840849408

約数和(自身を除く): 560949788

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 41, 44, 52, 55, 62, 65, 70, 77, 82, 91, 110, 121, 124, 130, 140, 143, 154, 155, 164, 182, 205, 217, 220, 242, 260, 286, 287, 308, 310, 341, 364, 385, 403, 410, 434, 451, 455, 484, 533, 572, 574, 605, 620, 682, 715, 770, 806, 820, 847, 868, 902, 910, 1001, 1066, 1085, 1148, 1210, 1271, 1364, 1430, 1435, 1540, 1573, 1612, 1694, 1705, 1804, 1820, 2002, 2015, 2132, 2170, 2255, 2387, 2420, 2542, 2665, 2821, 2860, 2870, 3146, 3157, 3388, 3410, 3731, 3751, 4004, 4030, 4235, 4340, 4433, 4510, 4774, 4961, 5005, 5084, 5330, 5642, 5740, 5863, 6292, 6314, 6355, 6820, 7462, 7502, 7865, 8060, 8470, 8866, 8897, 9020, 9548, 9922, 10010, 10660, 11011, 11284, 11726, 11935, 12628, 12710, 13981, 14105, 14924, 15004, 15730, 15785, 16523, 16940, 17732, 17794, 18655, 18755, 19844, 20020, 22022, 22165, 23452, 23870, 24805, 25420, 26257, 27962, 28210, 29315, 31031, 31460, 31570, 33046, 34727, 35588, 37310, 37510, 41041, 44044, 44330, 44485, 47740, 48763, 49610, 52514, 55055, 55924, 56420, 58630, 62062, 63140, 64493, 66092, 69454, 69905, 74620, 75020, 82082, 82615, 88660, 88970, 97526, 97867, 99220, 105028, 110110, 115661, 117260, 124124, 128986, 131285, 138908, 139810, 153791, 155155, 164164, 165230, 173635, 177940, 181753, 195052, 195734, 205205, 220220, 231322, 243815, 257972, 262570, 279620, 307582, 310310, 322465, 330460, 341341, 347270, 363506, 391468, 410410, 451451, 462644, 487630, 489335, 525140, 578305, 615164, 620620, 644930, 682682, 694540, 727012, 768955, 820820, 902902, 908765, 975260, 978670, 1076537, 1156610, 1272271, 1289860, 1365364, 1537910, 1706705, 1805804, 1817530, 1957340, 1999283, 2153074, 2257255, 2313220, 2544542, 3075820, 3413410, 3635060, 3998566, 4306148, 4514510, 5089084, 5382685, 6361355, 6826820, 7997132, 9029020, 9996415, 10765370, 12722710, 13994981, 19992830, 21530740, 25445420, 27989962, 39985660, 55979924, 69974905, 139949810, 279899620]

約数ペア:

[(1, 279899620), (2, 139949810), (4, 69974905), (5, 55979924), (7, 39985660), (10, 27989962), (11, 25445420), (13, 21530740), (14, 19992830), (20, 13994981), (22, 12722710), (26, 10765370), (28, 9996415), (31, 9029020), (35, 7997132), (41, 6826820), (44, 6361355), (52, 5382685), (55, 5089084), (62, 4514510), (65, 4306148), (70, 3998566), (77, 3635060), (82, 3413410), (91, 3075820), (110, 2544542), (121, 2313220), (124, 2257255), (130, 2153074), (140, 1999283), (143, 1957340), (154, 1817530), (155, 1805804), (164, 1706705), (182, 1537910), (205, 1365364), (217, 1289860), (220, 1272271), (242, 1156610), (260, 1076537), (286, 978670), (287, 975260), (308, 908765), (310, 902902), (341, 820820), (364, 768955), (385, 727012), (403, 694540), (410, 682682), (434, 644930), (451, 620620), (455, 615164), (484, 578305), (533, 525140), (572, 489335), (574, 487630), (605, 462644), (620, 451451), (682, 410410), (715, 391468), (770, 363506), (806, 347270), (820, 341341), (847, 330460), (868, 322465), (902, 310310), (910, 307582), (1001, 279620), (1066, 262570), (1085, 257972), (1148, 243815), (1210, 231322), (1271, 220220), (1364, 205205), (1430, 195734), (1435, 195052), (1540, 181753), (1573, 177940), (1612, 173635), (1694, 165230), (1705, 164164), (1804, 155155), (1820, 153791), (2002, 139810), (2015, 138908), (2132, 131285), (2170, 128986), (2255, 124124), (2387, 117260), (2420, 115661), (2542, 110110), (2665, 105028), (2821, 99220), (2860, 97867), (2870, 97526), (3146, 88970), (3157, 88660), (3388, 82615), (3410, 82082), (3731, 75020), (3751, 74620), (4004, 69905), (4030, 69454), (4235, 66092), (4340, 64493), (4433, 63140), (4510, 62062), (4774, 58630), (4961, 56420), (5005, 55924), (5084, 55055), (5330, 52514), (5642, 49610), (5740, 48763), (5863, 47740), (6292, 44485), (6314, 44330), (6355, 44044), (6820, 41041), (7462, 37510), (7502, 37310), (7865, 35588), (8060, 34727), (8470, 33046), (8866, 31570), (8897, 31460), (9020, 31031), (9548, 29315), (9922, 28210), (10010, 27962), (10660, 26257), (11011, 25420), (11284, 24805), (11726, 23870), (11935, 23452), (12628, 22165), (12710, 22022), (13981, 20020), (14105, 19844), (14924, 18755), (15004, 18655), (15730, 17794), (15785, 17732), (16523, 16940)]