23012990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 128

約数和(自身を含む): 59028480

約数和(自身を除く): 36015490

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 19, 22, 26, 35, 38, 55, 65, 70, 77, 91, 95, 110, 121, 130, 133, 143, 154, 182, 190, 209, 242, 247, 266, 286, 385, 418, 455, 494, 605, 665, 715, 770, 847, 910, 1001, 1045, 1210, 1235, 1330, 1331, 1430, 1463, 1573, 1694, 1729, 2002, 2090, 2299, 2470, 2662, 2717, 2926, 3146, 3458, 4235, 4598, 5005, 5434, 6655, 7315, 7865, 8470, 8645, 9317, 10010, 11011, 11495, 13310, 13585, 14630, 15730, 16093, 17290, 17303, 18634, 19019, 22022, 22990, 25289, 27170, 29887, 32186, 34606, 38038, 46585, 50578, 55055, 59774, 80465, 86515, 93170, 95095, 110110, 121121, 126445, 149435, 160930, 173030, 177023, 190190, 209209, 242242, 252890, 298870, 328757, 354046, 418418, 605605, 657514, 885115, 1046045, 1211210, 1643785, 1770230, 2092090, 2301299, 3287570, 4602598, 11506495, 23012990]

約数ペア:

[(1, 23012990), (2, 11506495), (5, 4602598), (7, 3287570), (10, 2301299), (11, 2092090), (13, 1770230), (14, 1643785), (19, 1211210), (22, 1046045), (26, 885115), (35, 657514), (38, 605605), (55, 418418), (65, 354046), (70, 328757), (77, 298870), (91, 252890), (95, 242242), (110, 209209), (121, 190190), (130, 177023), (133, 173030), (143, 160930), (154, 149435), (182, 126445), (190, 121121), (209, 110110), (242, 95095), (247, 93170), (266, 86515), (286, 80465), (385, 59774), (418, 55055), (455, 50578), (494, 46585), (605, 38038), (665, 34606), (715, 32186), (770, 29887), (847, 27170), (910, 25289), (1001, 22990), (1045, 22022), (1210, 19019), (1235, 18634), (1330, 17303), (1331, 17290), (1430, 16093), (1463, 15730), (1573, 14630), (1694, 13585), (1729, 13310), (2002, 11495), (2090, 11011), (2299, 10010), (2470, 9317), (2662, 8645), (2717, 8470), (2926, 7865), (3146, 7315), (3458, 6655), (4235, 5434), (4598, 5005)]