4985540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 12096000

約数和(自身を除く): 7110460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 239, 298, 478, 596, 745, 956, 1043, 1195, 1490, 1673, 2086, 2390, 2980, 3346, 4172, 4780, 5215, 6692, 8365, 10430, 16730, 20860, 33460, 35611, 71222, 142444, 178055, 249277, 356110, 498554, 712220, 997108, 1246385, 2492770, 4985540]

約数ペア:

[(1, 4985540), (2, 2492770), (4, 1246385), (5, 997108), (7, 712220), (10, 498554), (14, 356110), (20, 249277), (28, 178055), (35, 142444), (70, 71222), (140, 35611), (149, 33460), (239, 20860), (298, 16730), (478, 10430), (596, 8365), (745, 6692), (956, 5215), (1043, 4780), (1195, 4172), (1490, 3346), (1673, 2980), (2086, 2390)]