399902280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12967}}^1$

素因数の和:13238

約数の個数: 64

約数和(自身を含む): 1204467840

約数和(自身を除く): 804565560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 7710, 10280, 12967, 15420, 25934, 30840, 38901, 51868, 64835, 77802, 103736, 129670, 155604, 194505, 259340, 311208, 389010, 518680, 778020, 1556040, 3332519, 6665038, 9997557, 13330076, 16662595, 19995114, 26660152, 33325190, 39990228, 49987785, 66650380, 79980456, 99975570, 133300760, 199951140, 399902280]

約数ペア:

[(1, 399902280), (2, 199951140), (3, 133300760), (4, 99975570), (5, 79980456), (6, 66650380), (8, 49987785), (10, 39990228), (12, 33325190), (15, 26660152), (20, 19995114), (24, 16662595), (30, 13330076), (40, 9997557), (60, 6665038), (120, 3332519), (257, 1556040), (514, 778020), (771, 518680), (1028, 389010), (1285, 311208), (1542, 259340), (2056, 194505), (2570, 155604), (3084, 129670), (3855, 103736), (5140, 77802), (6168, 64835), (7710, 51868), (10280, 38901), (12967, 30840), (15420, 25934)]