64073380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{65381}}^1$

素因数の和:65404

約数の個数: 36

約数和(自身を含む): 156524508

約数和(自身を除く): 92451128

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 65381, 130762, 261524, 326905, 457667, 653810, 915334, 1307620, 1830668, 2288335, 3203669, 4576670, 6407338, 9153340, 12814676, 16018345, 32036690, 64073380]

約数ペア:

[(1, 64073380), (2, 32036690), (4, 16018345), (5, 12814676), (7, 9153340), (10, 6407338), (14, 4576670), (20, 3203669), (28, 2288335), (35, 1830668), (49, 1307620), (70, 915334), (98, 653810), (140, 457667), (196, 326905), (245, 261524), (490, 130762), (980, 65381)]