9639140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2268

約数の個数: 48

約数和(自身を含む): 23890944

約数和(自身を除く): 14251804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 2221, 4340, 4442, 8884, 11105, 15547, 22210, 31094, 44420, 62188, 68851, 77735, 137702, 155470, 275404, 310940, 344255, 481957, 688510, 963914, 1377020, 1927828, 2409785, 4819570, 9639140]

約数ペア:

[(1, 9639140), (2, 4819570), (4, 2409785), (5, 1927828), (7, 1377020), (10, 963914), (14, 688510), (20, 481957), (28, 344255), (31, 310940), (35, 275404), (62, 155470), (70, 137702), (124, 77735), (140, 68851), (155, 62188), (217, 44420), (310, 31094), (434, 22210), (620, 15547), (868, 11105), (1085, 8884), (2170, 4442), (2221, 4340)]