90716420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1063}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 202704768

約数和(自身を除く): 111988348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 251, 340, 502, 1004, 1063, 1255, 2126, 2510, 4252, 4267, 5020, 5315, 8534, 10630, 17068, 18071, 21260, 21335, 36142, 42670, 72284, 85340, 90355, 180710, 266813, 361420, 533626, 1067252, 1334065, 2668130, 4535821, 5336260, 9071642, 18143284, 22679105, 45358210, 90716420]

約数ペア:

[(1, 90716420), (2, 45358210), (4, 22679105), (5, 18143284), (10, 9071642), (17, 5336260), (20, 4535821), (34, 2668130), (68, 1334065), (85, 1067252), (170, 533626), (251, 361420), (340, 266813), (502, 180710), (1004, 90355), (1063, 85340), (1255, 72284), (2126, 42670), (2510, 36142), (4252, 21335), (4267, 21260), (5020, 18071), (5315, 17068), (8534, 10630)]