2437500

素因数分解:

$2^2\times 3^1\times 5^6\times {\mathrm{13}}^1$

素因数の和:50

約数の個数: 84

約数和(自身を含む): 7656152

約数和(自身を除く): 5218652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 625, 650, 750, 780, 975, 1250, 1300, 1500, 1625, 1875, 1950, 2500, 3125, 3250, 3750, 3900, 4875, 6250, 6500, 7500, 8125, 9375, 9750, 12500, 15625, 16250, 18750, 19500, 24375, 31250, 32500, 37500, 40625, 46875, 48750, 62500, 81250, 93750, 97500, 121875, 162500, 187500, 203125, 243750, 406250, 487500, 609375, 812500, 1218750, 2437500]

約数ペア:

[(1, 2437500), (2, 1218750), (3, 812500), (4, 609375), (5, 487500), (6, 406250), (10, 243750), (12, 203125), (13, 187500), (15, 162500), (20, 121875), (25, 97500), (26, 93750), (30, 81250), (39, 62500), (50, 48750), (52, 46875), (60, 40625), (65, 37500), (75, 32500), (78, 31250), (100, 24375), (125, 19500), (130, 18750), (150, 16250), (156, 15625), (195, 12500), (250, 9750), (260, 9375), (300, 8125), (325, 7500), (375, 6500), (390, 6250), (500, 4875), (625, 3900), (650, 3750), (750, 3250), (780, 3125), (975, 2500), (1250, 1950), (1300, 1875), (1500, 1625)]