277464820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{5477}}^1$

素因数の和:5652

約数の個数: 48

約数和(自身を含む): 621205200

約数和(自身を除く): 343740380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1490, 2533, 2980, 5066, 5477, 10132, 10954, 12665, 21908, 25330, 27385, 50660, 54770, 93109, 109540, 186218, 372436, 465545, 816073, 931090, 1632146, 1862180, 3264292, 4080365, 8160730, 13873241, 16321460, 27746482, 55492964, 69366205, 138732410, 277464820]

約数ペア:

[(1, 277464820), (2, 138732410), (4, 69366205), (5, 55492964), (10, 27746482), (17, 16321460), (20, 13873241), (34, 8160730), (68, 4080365), (85, 3264292), (149, 1862180), (170, 1632146), (298, 931090), (340, 816073), (596, 465545), (745, 372436), (1490, 186218), (2533, 109540), (2980, 93109), (5066, 54770), (5477, 50660), (10132, 27385), (10954, 25330), (12665, 21908)]