128233820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3449}}^1$

素因数の和:3495

約数の個数: 72

約数和(自身を含む): 318200400

約数和(自身を除く): 189966580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3449, 3718, 6898, 7436, 9295, 13796, 17245, 18590, 34490, 37180, 37939, 44837, 68980, 75878, 89674, 151756, 179348, 189695, 224185, 379390, 448370, 493207, 582881, 758780, 896740, 986414, 1165762, 1972828, 2331524, 2466035, 2914405, 4932070, 5828810, 6411691, 9864140, 11657620, 12823382, 25646764, 32058455, 64116910, 128233820]

約数ペア:

[(1, 128233820), (2, 64116910), (4, 32058455), (5, 25646764), (10, 12823382), (11, 11657620), (13, 9864140), (20, 6411691), (22, 5828810), (26, 4932070), (44, 2914405), (52, 2466035), (55, 2331524), (65, 1972828), (110, 1165762), (130, 986414), (143, 896740), (169, 758780), (220, 582881), (260, 493207), (286, 448370), (338, 379390), (572, 224185), (676, 189695), (715, 179348), (845, 151756), (1430, 89674), (1690, 75878), (1859, 68980), (2860, 44837), (3380, 37939), (3449, 37180), (3718, 34490), (6898, 18590), (7436, 17245), (9295, 13796)]