21920100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 65495808

約数和(自身を除く): 43575708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2325, 2357, 3100, 4650, 4714, 7071, 9300, 9428, 11785, 14142, 23570, 28284, 35355, 47140, 58925, 70710, 73067, 117850, 141420, 146134, 176775, 219201, 235700, 292268, 353550, 365335, 438402, 707100, 730670, 876804, 1096005, 1461340, 1826675, 2192010, 3653350, 4384020, 5480025, 7306700, 10960050, 21920100]

約数ペア:

[(1, 21920100), (2, 10960050), (3, 7306700), (4, 5480025), (5, 4384020), (6, 3653350), (10, 2192010), (12, 1826675), (15, 1461340), (20, 1096005), (25, 876804), (30, 730670), (31, 707100), (50, 438402), (60, 365335), (62, 353550), (75, 292268), (93, 235700), (100, 219201), (124, 176775), (150, 146134), (155, 141420), (186, 117850), (300, 73067), (310, 70710), (372, 58925), (465, 47140), (620, 35355), (775, 28284), (930, 23570), (1550, 14142), (1860, 11785), (2325, 9428), (2357, 9300), (3100, 7071), (4650, 4714)]