287899575440

素因数分解:

$2^4\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{1846457}}^1$

素因数の和:1848419

約数の個数: 40

約数和(自身を含む): 669710316600

約数和(自身を除く): 381810741160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1949, 3898, 7796, 9745, 15592, 19490, 31184, 38980, 77960, 155920, 1846457, 3692914, 7385828, 9232285, 14771656, 18464570, 29543312, 36929140, 73858280, 147716560, 3598744693, 7197489386, 14394978772, 17993723465, 28789957544, 35987446930, 57579915088, 71974893860, 143949787720, 287899575440]

約数ペア:

[(1, 287899575440), (2, 143949787720), (4, 71974893860), (5, 57579915088), (8, 35987446930), (10, 28789957544), (16, 17993723465), (20, 14394978772), (40, 7197489386), (80, 3598744693), (1949, 147716560), (3898, 73858280), (7796, 36929140), (9745, 29543312), (15592, 18464570), (19490, 14771656), (31184, 9232285), (38980, 7385828), (77960, 3692914), (155920, 1846457)]