1256556490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{366343}}^1$

素因数の和:366371

約数の個数: 32

約数和(自身を含む): 2637676800

約数和(自身を除く): 1381120310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 366343, 732686, 1831715, 2564401, 3663430, 5128802, 12822005, 17950807, 25644010, 35901614, 89754035, 125655649, 179508070, 251311298, 628278245, 1256556490]

約数ペア:

[(1, 1256556490), (2, 628278245), (5, 251311298), (7, 179508070), (10, 125655649), (14, 89754035), (35, 35901614), (49, 25644010), (70, 17950807), (98, 12822005), (245, 5128802), (343, 3663430), (490, 2564401), (686, 1831715), (1715, 732686), (3430, 366343)]