126936500

素因数分解:

$2^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2145

約数の個数: 48

約数和(自身を含む): 279552000

約数和(自身を除く): 152615500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 127, 250, 254, 500, 508, 635, 1270, 1999, 2540, 3175, 3998, 6350, 7996, 9995, 12700, 15875, 19990, 31750, 39980, 49975, 63500, 99950, 199900, 249875, 253873, 499750, 507746, 999500, 1015492, 1269365, 2538730, 5077460, 6346825, 12693650, 25387300, 31734125, 63468250, 126936500]

約数ペア:

[(1, 126936500), (2, 63468250), (4, 31734125), (5, 25387300), (10, 12693650), (20, 6346825), (25, 5077460), (50, 2538730), (100, 1269365), (125, 1015492), (127, 999500), (250, 507746), (254, 499750), (500, 253873), (508, 249875), (635, 199900), (1270, 99950), (1999, 63500), (2540, 49975), (3175, 39980), (3998, 31750), (6350, 19990), (7996, 15875), (9995, 12700)]