1247256980

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1\times {\mathrm{1607}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 2648491776

約数和(自身を除く): 1401234796

約数列:

[1, 2, 4, 5, 10, 20, 151, 257, 302, 514, 604, 755, 1028, 1285, 1510, 1607, 2570, 3020, 3214, 5140, 6428, 8035, 16070, 32140, 38807, 77614, 155228, 194035, 242657, 388070, 412999, 485314, 776140, 825998, 970628, 1213285, 1651996, 2064995, 2426570, 4129990, 4853140, 8259980, 62362849, 124725698, 249451396, 311814245, 623628490, 1247256980]

約数ペア:

[(1, 1247256980), (2, 623628490), (4, 311814245), (5, 249451396), (10, 124725698), (20, 62362849), (151, 8259980), (257, 4853140), (302, 4129990), (514, 2426570), (604, 2064995), (755, 1651996), (1028, 1213285), (1285, 970628), (1510, 825998), (1607, 776140), (2570, 485314), (3020, 412999), (3214, 388070), (5140, 242657), (6428, 194035), (8035, 155228), (16070, 77614), (32140, 38807)]