4070440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^2$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 10425870

約数和(自身を除く): 6355430

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 145, 220, 232, 242, 290, 319, 440, 484, 580, 605, 638, 841, 968, 1160, 1210, 1276, 1595, 1682, 2420, 2552, 3190, 3364, 3509, 4205, 4840, 6380, 6728, 7018, 8410, 9251, 12760, 14036, 16820, 17545, 18502, 28072, 33640, 35090, 37004, 46255, 70180, 74008, 92510, 101761, 140360, 185020, 203522, 370040, 407044, 508805, 814088, 1017610, 2035220, 4070440]

約数ペア:

[(1, 4070440), (2, 2035220), (4, 1017610), (5, 814088), (8, 508805), (10, 407044), (11, 370040), (20, 203522), (22, 185020), (29, 140360), (40, 101761), (44, 92510), (55, 74008), (58, 70180), (88, 46255), (110, 37004), (116, 35090), (121, 33640), (145, 28072), (220, 18502), (232, 17545), (242, 16820), (290, 14036), (319, 12760), (440, 9251), (484, 8410), (580, 7018), (605, 6728), (638, 6380), (841, 4840), (968, 4205), (1160, 3509), (1210, 3364), (1276, 3190), (1595, 2552), (1682, 2420)]