6630500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 14742000

約数和(自身を除く): 8111500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 149, 178, 250, 298, 356, 445, 500, 596, 745, 890, 1490, 1780, 2225, 2980, 3725, 4450, 7450, 8900, 11125, 13261, 14900, 18625, 22250, 26522, 37250, 44500, 53044, 66305, 74500, 132610, 265220, 331525, 663050, 1326100, 1657625, 3315250, 6630500]

約数ペア:

[(1, 6630500), (2, 3315250), (4, 1657625), (5, 1326100), (10, 663050), (20, 331525), (25, 265220), (50, 132610), (89, 74500), (100, 66305), (125, 53044), (149, 44500), (178, 37250), (250, 26522), (298, 22250), (356, 18625), (445, 14900), (500, 13261), (596, 11125), (745, 8900), (890, 7450), (1490, 4450), (1780, 3725), (2225, 2980)]