1297014760

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{135671}}^1$

素因数の和:135921

約数の個数: 32

約数和(自身を含む): 2930515200

約数和(自身を除く): 1633500440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 135671, 271342, 542684, 678355, 1085368, 1356710, 2713420, 5426840, 32425369, 64850738, 129701476, 162126845, 259402952, 324253690, 648507380, 1297014760]

約数ペア:

[(1, 1297014760), (2, 648507380), (4, 324253690), (5, 259402952), (8, 162126845), (10, 129701476), (20, 64850738), (40, 32425369), (239, 5426840), (478, 2713420), (956, 1356710), (1195, 1085368), (1912, 678355), (2390, 542684), (4780, 271342), (9560, 135671)]