193727720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{91381}}^1$

素因数の和:91445

約数の個数: 32

約数和(自身を含む): 444116520

約数和(自身を除く): 250388800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 91381, 182762, 365524, 456905, 731048, 913810, 1827620, 3655240, 4843193, 9686386, 19372772, 24215965, 38745544, 48431930, 96863860, 193727720]

約数ペア:

[(1, 193727720), (2, 96863860), (4, 48431930), (5, 38745544), (8, 24215965), (10, 19372772), (20, 9686386), (40, 4843193), (53, 3655240), (106, 1827620), (212, 913810), (265, 731048), (424, 456905), (530, 365524), (1060, 182762), (2120, 91381)]