67660900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 156240000

約数和(自身を除く): 88579100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 149, 190, 239, 298, 380, 475, 478, 596, 745, 950, 956, 1195, 1490, 1900, 2390, 2831, 2980, 3725, 4541, 4780, 5662, 5975, 7450, 9082, 11324, 11950, 14155, 14900, 18164, 22705, 23900, 28310, 35611, 45410, 56620, 70775, 71222, 90820, 113525, 141550, 142444, 178055, 227050, 283100, 356110, 454100, 676609, 712220, 890275, 1353218, 1780550, 2706436, 3383045, 3561100, 6766090, 13532180, 16915225, 33830450, 67660900]

約数ペア:

[(1, 67660900), (2, 33830450), (4, 16915225), (5, 13532180), (10, 6766090), (19, 3561100), (20, 3383045), (25, 2706436), (38, 1780550), (50, 1353218), (76, 890275), (95, 712220), (100, 676609), (149, 454100), (190, 356110), (239, 283100), (298, 227050), (380, 178055), (475, 142444), (478, 141550), (596, 113525), (745, 90820), (950, 71222), (956, 70775), (1195, 56620), (1490, 45410), (1900, 35611), (2390, 28310), (2831, 23900), (2980, 22705), (3725, 18164), (4541, 14900), (4780, 14155), (5662, 11950), (5975, 11324), (7450, 9082)]