249924170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{18749}}^1$

素因数の和:18830

約数の個数: 32

約数和(自身を含む): 475200000

約数和(自身を除く): 225275830

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 18749, 37498, 93745, 187490, 581219, 806207, 1162438, 1612414, 2906095, 4031035, 5812190, 8062070, 24992417, 49984834, 124962085, 249924170]

約数ペア:

[(1, 249924170), (2, 124962085), (5, 49984834), (10, 24992417), (31, 8062070), (43, 5812190), (62, 4031035), (86, 2906095), (155, 1612414), (215, 1162438), (310, 806207), (430, 581219), (1333, 187490), (2666, 93745), (6665, 37498), (13330, 18749)]