219778520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11423}}^1$

素因数の和:11484

約数の個数: 64

約数和(自身を含む): 546981120

約数和(自身を除く): 327202600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 11423, 19240, 22846, 45692, 57115, 91384, 114230, 148499, 228460, 296998, 422651, 456920, 593996, 742495, 845302, 1187992, 1484990, 1690604, 2113255, 2969980, 3381208, 4226510, 5494463, 5939960, 8453020, 10988926, 16906040, 21977852, 27472315, 43955704, 54944630, 109889260, 219778520]

約数ペア:

[(1, 219778520), (2, 109889260), (4, 54944630), (5, 43955704), (8, 27472315), (10, 21977852), (13, 16906040), (20, 10988926), (26, 8453020), (37, 5939960), (40, 5494463), (52, 4226510), (65, 3381208), (74, 2969980), (104, 2113255), (130, 1690604), (148, 1484990), (185, 1187992), (260, 845302), (296, 742495), (370, 593996), (481, 456920), (520, 422651), (740, 296998), (962, 228460), (1480, 148499), (1924, 114230), (2405, 91384), (3848, 57115), (4810, 45692), (9620, 22846), (11423, 19240)]