394005040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 1130427648

約数和(自身を除く): 736422608

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 101, 104, 110, 121, 124, 130, 143, 155, 176, 202, 208, 220, 242, 248, 260, 286, 310, 341, 403, 404, 440, 484, 496, 505, 520, 572, 605, 620, 682, 715, 806, 808, 880, 968, 1010, 1040, 1111, 1144, 1210, 1240, 1313, 1364, 1430, 1573, 1612, 1616, 1705, 1936, 2015, 2020, 2222, 2288, 2420, 2480, 2626, 2728, 2860, 3131, 3146, 3224, 3410, 3751, 4030, 4040, 4433, 4444, 4840, 5252, 5456, 5555, 5720, 6262, 6292, 6448, 6565, 6820, 7502, 7865, 8060, 8080, 8866, 8888, 9680, 10504, 11110, 11440, 12221, 12524, 12584, 13130, 13640, 14443, 15004, 15655, 15730, 16120, 17732, 17776, 18755, 21008, 22165, 22220, 24442, 25048, 25168, 26260, 27280, 28886, 30008, 31310, 31460, 32240, 34441, 35464, 37510, 40703, 44330, 44440, 48763, 48884, 50096, 52520, 57772, 60016, 61105, 62620, 62920, 68882, 70928, 72215, 75020, 81406, 88660, 88880, 97526, 97768, 105040, 115544, 122210, 125240, 125840, 137764, 144430, 150040, 158873, 162812, 172205, 177320, 195052, 195536, 203515, 231088, 243815, 244420, 250480, 275528, 288860, 300080, 317746, 325624, 344410, 354640, 378851, 390104, 407030, 447733, 487630, 488840, 551056, 577720, 635492, 651248, 688820, 757702, 780208, 794365, 814060, 895466, 975260, 977680, 1155440, 1270984, 1377640, 1515404, 1588730, 1628120, 1790932, 1894255, 1950520, 2238665, 2541968, 2755280, 3030808, 3177460, 3256240, 3581864, 3788510, 3901040, 4477330, 4925063, 6061616, 6354920, 7163728, 7577020, 8954660, 9850126, 12709840, 15154040, 17909320, 19700252, 24625315, 30308080, 35818640, 39400504, 49250630, 78801008, 98501260, 197002520, 394005040]

約数ペア:

[(1, 394005040), (2, 197002520), (4, 98501260), (5, 78801008), (8, 49250630), (10, 39400504), (11, 35818640), (13, 30308080), (16, 24625315), (20, 19700252), (22, 17909320), (26, 15154040), (31, 12709840), (40, 9850126), (44, 8954660), (52, 7577020), (55, 7163728), (62, 6354920), (65, 6061616), (80, 4925063), (88, 4477330), (101, 3901040), (104, 3788510), (110, 3581864), (121, 3256240), (124, 3177460), (130, 3030808), (143, 2755280), (155, 2541968), (176, 2238665), (202, 1950520), (208, 1894255), (220, 1790932), (242, 1628120), (248, 1588730), (260, 1515404), (286, 1377640), (310, 1270984), (341, 1155440), (403, 977680), (404, 975260), (440, 895466), (484, 814060), (496, 794365), (505, 780208), (520, 757702), (572, 688820), (605, 651248), (620, 635492), (682, 577720), (715, 551056), (806, 488840), (808, 487630), (880, 447733), (968, 407030), (1010, 390104), (1040, 378851), (1111, 354640), (1144, 344410), (1210, 325624), (1240, 317746), (1313, 300080), (1364, 288860), (1430, 275528), (1573, 250480), (1612, 244420), (1616, 243815), (1705, 231088), (1936, 203515), (2015, 195536), (2020, 195052), (2222, 177320), (2288, 172205), (2420, 162812), (2480, 158873), (2626, 150040), (2728, 144430), (2860, 137764), (3131, 125840), (3146, 125240), (3224, 122210), (3410, 115544), (3751, 105040), (4030, 97768), (4040, 97526), (4433, 88880), (4444, 88660), (4840, 81406), (5252, 75020), (5456, 72215), (5555, 70928), (5720, 68882), (6262, 62920), (6292, 62620), (6448, 61105), (6565, 60016), (6820, 57772), (7502, 52520), (7865, 50096), (8060, 48884), (8080, 48763), (8866, 44440), (8888, 44330), (9680, 40703), (10504, 37510), (11110, 35464), (11440, 34441), (12221, 32240), (12524, 31460), (12584, 31310), (13130, 30008), (13640, 28886), (14443, 27280), (15004, 26260), (15655, 25168), (15730, 25048), (16120, 24442), (17732, 22220), (17776, 22165), (18755, 21008)]