290584120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{91957}}^1$

素因数の和:92047

約数の個数: 32

約数和(自身を含む): 662097600

約数和(自身を除く): 371513480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 91957, 183914, 367828, 459785, 735656, 919570, 1839140, 3678280, 7264603, 14529206, 29058412, 36323015, 58116824, 72646030, 145292060, 290584120]

約数ペア:

[(1, 290584120), (2, 145292060), (4, 72646030), (5, 58116824), (8, 36323015), (10, 29058412), (20, 14529206), (40, 7264603), (79, 3678280), (158, 1839140), (316, 919570), (395, 735656), (632, 459785), (790, 367828), (1580, 183914), (3160, 91957)]