28657500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{3821}}^1$

素因数の和:3848

約数の個数: 60

約数和(自身を含む): 83579496

約数和(自身を除く): 54921996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3750, 3821, 7500, 7642, 11463, 15284, 19105, 22926, 38210, 45852, 57315, 76420, 95525, 114630, 191050, 229260, 286575, 382100, 477625, 573150, 955250, 1146300, 1432875, 1910500, 2388125, 2865750, 4776250, 5731500, 7164375, 9552500, 14328750, 28657500]

約数ペア:

[(1, 28657500), (2, 14328750), (3, 9552500), (4, 7164375), (5, 5731500), (6, 4776250), (10, 2865750), (12, 2388125), (15, 1910500), (20, 1432875), (25, 1146300), (30, 955250), (50, 573150), (60, 477625), (75, 382100), (100, 286575), (125, 229260), (150, 191050), (250, 114630), (300, 95525), (375, 76420), (500, 57315), (625, 45852), (750, 38210), (1250, 22926), (1500, 19105), (1875, 15284), (2500, 11463), (3750, 7642), (3821, 7500)]