3974200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 9552960

約数和(自身を除く): 5578760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 641, 775, 1240, 1282, 1550, 2564, 3100, 3205, 5128, 6200, 6410, 12820, 16025, 19871, 25640, 32050, 39742, 64100, 79484, 99355, 128200, 158968, 198710, 397420, 496775, 794840, 993550, 1987100, 3974200]

約数ペア:

[(1, 3974200), (2, 1987100), (4, 993550), (5, 794840), (8, 496775), (10, 397420), (20, 198710), (25, 158968), (31, 128200), (40, 99355), (50, 79484), (62, 64100), (100, 39742), (124, 32050), (155, 25640), (200, 19871), (248, 16025), (310, 12820), (620, 6410), (641, 6200), (775, 5128), (1240, 3205), (1282, 3100), (1550, 2564)]