128344900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{4441}}^1$

素因数の和:4489

約数の個数: 54

約数和(自身を含む): 295921598

約数和(自身を除く): 167576698

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 1156, 1445, 1700, 2890, 4441, 5780, 7225, 8882, 14450, 17764, 22205, 28900, 44410, 75497, 88820, 111025, 150994, 222050, 301988, 377485, 444100, 754970, 1283449, 1509940, 1887425, 2566898, 3774850, 5133796, 6417245, 7549700, 12834490, 25668980, 32086225, 64172450, 128344900]

約数ペア:

[(1, 128344900), (2, 64172450), (4, 32086225), (5, 25668980), (10, 12834490), (17, 7549700), (20, 6417245), (25, 5133796), (34, 3774850), (50, 2566898), (68, 1887425), (85, 1509940), (100, 1283449), (170, 754970), (289, 444100), (340, 377485), (425, 301988), (578, 222050), (850, 150994), (1156, 111025), (1445, 88820), (1700, 75497), (2890, 44410), (4441, 28900), (5780, 22205), (7225, 17764), (8882, 14450)]