201955705

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 291942144

約数和(自身を除く): 89986439

約数列:

[1, 5, 7, 35, 49, 53, 103, 151, 245, 265, 371, 515, 721, 755, 1057, 1855, 2597, 3605, 5047, 5285, 5459, 7399, 8003, 12985, 15553, 25235, 27295, 36995, 38213, 40015, 56021, 77765, 108871, 191065, 267491, 280105, 392147, 544355, 762097, 824309, 1337455, 1960735, 3810485, 4121545, 5770163, 28850815, 40391141, 201955705]

約数ペア:

[(1, 201955705), (5, 40391141), (7, 28850815), (35, 5770163), (49, 4121545), (53, 3810485), (103, 1960735), (151, 1337455), (245, 824309), (265, 762097), (371, 544355), (515, 392147), (721, 280105), (755, 267491), (1057, 191065), (1855, 108871), (2597, 77765), (3605, 56021), (5047, 40015), (5285, 38213), (5459, 36995), (7399, 27295), (8003, 25235), (12985, 15553)]