2892500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 60

約数和(自身を含む): 6888420

約数和(自身を除く): 3995920

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 125, 130, 178, 250, 260, 325, 356, 445, 500, 625, 650, 890, 1157, 1250, 1300, 1625, 1780, 2225, 2314, 2500, 3250, 4450, 4628, 5785, 6500, 8125, 8900, 11125, 11570, 16250, 22250, 23140, 28925, 32500, 44500, 55625, 57850, 111250, 115700, 144625, 222500, 289250, 578500, 723125, 1446250, 2892500]

約数ペア:

[(1, 2892500), (2, 1446250), (4, 723125), (5, 578500), (10, 289250), (13, 222500), (20, 144625), (25, 115700), (26, 111250), (50, 57850), (52, 55625), (65, 44500), (89, 32500), (100, 28925), (125, 23140), (130, 22250), (178, 16250), (250, 11570), (260, 11125), (325, 8900), (356, 8125), (445, 6500), (500, 5785), (625, 4628), (650, 4450), (890, 3250), (1157, 2500), (1250, 2314), (1300, 2225), (1625, 1780)]