289344580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{4603}}^1$

素因数の和:5068

約数の個数: 48

約数和(自身を含む): 696124800

約数和(自身を除く): 406780220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 3143, 4490, 4603, 6286, 8980, 9206, 12572, 15715, 18412, 23015, 31430, 32221, 46030, 62860, 64442, 92060, 128884, 161105, 322210, 644420, 2066747, 4133494, 8266988, 10333735, 14467229, 20667470, 28934458, 41334940, 57868916, 72336145, 144672290, 289344580]

約数ペア:

[(1, 289344580), (2, 144672290), (4, 72336145), (5, 57868916), (7, 41334940), (10, 28934458), (14, 20667470), (20, 14467229), (28, 10333735), (35, 8266988), (70, 4133494), (140, 2066747), (449, 644420), (898, 322210), (1796, 161105), (2245, 128884), (3143, 92060), (4490, 64442), (4603, 62860), (6286, 46030), (8980, 32221), (9206, 31430), (12572, 23015), (15715, 18412)]