7122200

素因数分解:

$2^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 16740000

約数和(自身を除く): 9617800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 239, 298, 478, 596, 745, 956, 1192, 1195, 1490, 1912, 2390, 2980, 3725, 4780, 5960, 5975, 7450, 9560, 11950, 14900, 23900, 29800, 35611, 47800, 71222, 142444, 178055, 284888, 356110, 712220, 890275, 1424440, 1780550, 3561100, 7122200]

約数ペア:

[(1, 7122200), (2, 3561100), (4, 1780550), (5, 1424440), (8, 890275), (10, 712220), (20, 356110), (25, 284888), (40, 178055), (50, 142444), (100, 71222), (149, 47800), (200, 35611), (239, 29800), (298, 23900), (478, 14900), (596, 11950), (745, 9560), (956, 7450), (1192, 5975), (1195, 5960), (1490, 4780), (1912, 3725), (2390, 2980)]