205154310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 503884800

約数和(自身を除く): 298730490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 107, 158, 214, 237, 321, 395, 474, 535, 642, 790, 809, 1070, 1185, 1605, 1618, 2370, 2427, 3210, 4045, 4854, 8090, 8453, 12135, 16906, 24270, 25359, 42265, 50718, 63911, 84530, 86563, 126795, 127822, 173126, 191733, 253590, 259689, 319555, 383466, 432815, 519378, 639110, 865630, 958665, 1298445, 1917330, 2596890, 6838477, 13676954, 20515431, 34192385, 41030862, 68384770, 102577155, 205154310]

約数ペア:

[(1, 205154310), (2, 102577155), (3, 68384770), (5, 41030862), (6, 34192385), (10, 20515431), (15, 13676954), (30, 6838477), (79, 2596890), (107, 1917330), (158, 1298445), (214, 958665), (237, 865630), (321, 639110), (395, 519378), (474, 432815), (535, 383466), (642, 319555), (790, 259689), (809, 253590), (1070, 191733), (1185, 173126), (1605, 127822), (1618, 126795), (2370, 86563), (2427, 84530), (3210, 63911), (4045, 50718), (4854, 42265), (8090, 25359), (8453, 24270), (12135, 16906)]