90290830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1789}}^1$

素因数の和:1913

約数の個数: 48

約数和(自身を含む): 191000160

約数和(自身を除く): 100709330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 721, 1030, 1442, 1789, 3578, 3605, 5047, 7210, 8945, 10094, 12523, 17890, 25046, 25235, 50470, 62615, 87661, 125230, 175322, 184267, 368534, 438305, 876610, 921335, 1289869, 1842670, 2579738, 6449345, 9029083, 12898690, 18058166, 45145415, 90290830]

約数ペア:

[(1, 90290830), (2, 45145415), (5, 18058166), (7, 12898690), (10, 9029083), (14, 6449345), (35, 2579738), (49, 1842670), (70, 1289869), (98, 921335), (103, 876610), (206, 438305), (245, 368534), (490, 184267), (515, 175322), (721, 125230), (1030, 87661), (1442, 62615), (1789, 50470), (3578, 25235), (3605, 25046), (5047, 17890), (7210, 12523), (8945, 10094)]