401465790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{405521}}^1$

素因数の和:405545

約数の個数: 48

約数和(自身を含む): 1138705776

約数和(自身を除く): 737239986

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 405521, 811042, 1216563, 2027605, 2433126, 3649689, 4055210, 4460731, 6082815, 7299378, 8921462, 12165630, 13382193, 18248445, 22303655, 26764386, 36496890, 40146579, 44607310, 66910965, 80293158, 133821930, 200732895, 401465790]

約数ペア:

[(1, 401465790), (2, 200732895), (3, 133821930), (5, 80293158), (6, 66910965), (9, 44607310), (10, 40146579), (11, 36496890), (15, 26764386), (18, 22303655), (22, 18248445), (30, 13382193), (33, 12165630), (45, 8921462), (55, 7299378), (66, 6082815), (90, 4460731), (99, 4055210), (110, 3649689), (165, 2433126), (198, 2027605), (330, 1216563), (495, 811042), (990, 405521)]