51121900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 115617600

約数和(自身を除く): 64495700

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 73, 94, 100, 146, 149, 188, 235, 292, 298, 365, 470, 596, 730, 745, 940, 1175, 1460, 1490, 1825, 2350, 2980, 3431, 3650, 3725, 4700, 6862, 7003, 7300, 7450, 10877, 13724, 14006, 14900, 17155, 21754, 28012, 34310, 35015, 43508, 54385, 68620, 70030, 85775, 108770, 140060, 171550, 175075, 217540, 271925, 343100, 350150, 511219, 543850, 700300, 1022438, 1087700, 2044876, 2556095, 5112190, 10224380, 12780475, 25560950, 51121900]

約数ペア:

[(1, 51121900), (2, 25560950), (4, 12780475), (5, 10224380), (10, 5112190), (20, 2556095), (25, 2044876), (47, 1087700), (50, 1022438), (73, 700300), (94, 543850), (100, 511219), (146, 350150), (149, 343100), (188, 271925), (235, 217540), (292, 175075), (298, 171550), (365, 140060), (470, 108770), (596, 85775), (730, 70030), (745, 68620), (940, 54385), (1175, 43508), (1460, 35015), (1490, 34310), (1825, 28012), (2350, 21754), (2980, 17155), (3431, 14900), (3650, 14006), (3725, 13724), (4700, 10877), (6862, 7450), (7003, 7300)]