201067720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2309}}^1$

素因数の和:2638

約数の個数: 64

約数和(自身を含む): 518918400

約数和(自身を除く): 317850680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 1244, 1555, 2177, 2309, 2488, 3110, 4354, 4618, 6220, 8708, 9236, 10885, 11545, 12440, 16163, 17416, 18472, 21770, 23090, 32326, 43540, 46180, 64652, 80815, 87080, 92360, 129304, 161630, 323260, 646520, 718099, 1436198, 2872396, 3590495, 5026693, 5744792, 7180990, 10053386, 14361980, 20106772, 25133465, 28723960, 40213544, 50266930, 100533860, 201067720]

約数ペア:

[(1, 201067720), (2, 100533860), (4, 50266930), (5, 40213544), (7, 28723960), (8, 25133465), (10, 20106772), (14, 14361980), (20, 10053386), (28, 7180990), (35, 5744792), (40, 5026693), (56, 3590495), (70, 2872396), (140, 1436198), (280, 718099), (311, 646520), (622, 323260), (1244, 161630), (1555, 129304), (2177, 92360), (2309, 87080), (2488, 80815), (3110, 64652), (4354, 46180), (4618, 43540), (6220, 32326), (8708, 23090), (9236, 21770), (10885, 18472), (11545, 17416), (12440, 16163)]