678139250

素因数分解:

$2^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 1299182976

約数和(自身を除く): 621043726

約数列:

[1, 2, 5, 10, 25, 50, 101, 107, 125, 202, 214, 250, 251, 502, 505, 535, 1010, 1070, 1255, 2510, 2525, 2675, 5050, 5350, 6275, 10807, 12550, 12625, 13375, 21614, 25250, 25351, 26750, 26857, 31375, 50702, 53714, 54035, 62750, 108070, 126755, 134285, 253510, 268570, 270175, 540350, 633775, 671425, 1267550, 1342850, 1350875, 2701750, 2712557, 3168875, 3357125, 5425114, 6337750, 6714250, 13562785, 27125570, 67813925, 135627850, 339069625, 678139250]

約数ペア:

[(1, 678139250), (2, 339069625), (5, 135627850), (10, 67813925), (25, 27125570), (50, 13562785), (101, 6714250), (107, 6337750), (125, 5425114), (202, 3357125), (214, 3168875), (250, 2712557), (251, 2701750), (502, 1350875), (505, 1342850), (535, 1267550), (1010, 671425), (1070, 633775), (1255, 540350), (2510, 270175), (2525, 268570), (2675, 253510), (5050, 134285), (5350, 126755), (6275, 108070), (10807, 62750), (12550, 54035), (12625, 53714), (13375, 50702), (21614, 31375), (25250, 26857), (25351, 26750)]