48709700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 115383240

約数和(自身を除く): 66673540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 356, 421, 445, 650, 842, 890, 1157, 1300, 1684, 1780, 2105, 2225, 2314, 4210, 4450, 4628, 5473, 5785, 8420, 8900, 10525, 10946, 11570, 21050, 21892, 23140, 27365, 28925, 37469, 42100, 54730, 57850, 74938, 109460, 115700, 136825, 149876, 187345, 273650, 374690, 487097, 547300, 749380, 936725, 974194, 1873450, 1948388, 2435485, 3746900, 4870970, 9741940, 12177425, 24354850, 48709700]

約数ペア:

[(1, 48709700), (2, 24354850), (4, 12177425), (5, 9741940), (10, 4870970), (13, 3746900), (20, 2435485), (25, 1948388), (26, 1873450), (50, 974194), (52, 936725), (65, 749380), (89, 547300), (100, 487097), (130, 374690), (178, 273650), (260, 187345), (325, 149876), (356, 136825), (421, 115700), (445, 109460), (650, 74938), (842, 57850), (890, 54730), (1157, 42100), (1300, 37469), (1684, 28925), (1780, 27365), (2105, 23140), (2225, 21892), (2314, 21050), (4210, 11570), (4450, 10946), (4628, 10525), (5473, 8900), (5785, 8420)]