7215650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 15327144

約数和(自身を除く): 8111494

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 653, 850, 1105, 1306, 2210, 3265, 5525, 6530, 8489, 11050, 11101, 16325, 16978, 22202, 32650, 42445, 55505, 84890, 111010, 144313, 212225, 277525, 288626, 424450, 555050, 721565, 1443130, 3607825, 7215650]

約数ペア:

[(1, 7215650), (2, 3607825), (5, 1443130), (10, 721565), (13, 555050), (17, 424450), (25, 288626), (26, 277525), (34, 212225), (50, 144313), (65, 111010), (85, 84890), (130, 55505), (170, 42445), (221, 32650), (325, 22202), (425, 16978), (442, 16325), (650, 11101), (653, 11050), (850, 8489), (1105, 6530), (1306, 5525), (2210, 3265)]