3949820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 9616320

約数和(自身を除く): 5666500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 317, 356, 445, 623, 634, 890, 1246, 1268, 1585, 1780, 2219, 2492, 3115, 3170, 4438, 6230, 6340, 8876, 11095, 12460, 22190, 28213, 44380, 56426, 112852, 141065, 197491, 282130, 394982, 564260, 789964, 987455, 1974910, 3949820]

約数ペア:

[(1, 3949820), (2, 1974910), (4, 987455), (5, 789964), (7, 564260), (10, 394982), (14, 282130), (20, 197491), (28, 141065), (35, 112852), (70, 56426), (89, 44380), (140, 28213), (178, 22190), (317, 12460), (356, 11095), (445, 8876), (623, 6340), (634, 6230), (890, 4438), (1246, 3170), (1268, 3115), (1585, 2492), (1780, 2219)]