77812500

素因数分解:

$2^2\times 3^1\times 5^7\times {\mathrm{83}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 229686912

約数和(自身を除く): 151874412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 125, 150, 166, 249, 250, 300, 332, 375, 415, 498, 500, 625, 750, 830, 996, 1245, 1250, 1500, 1660, 1875, 2075, 2490, 2500, 3125, 3750, 4150, 4980, 6225, 6250, 7500, 8300, 9375, 10375, 12450, 12500, 15625, 18750, 20750, 24900, 31125, 31250, 37500, 41500, 46875, 51875, 62250, 62500, 78125, 93750, 103750, 124500, 155625, 156250, 187500, 207500, 234375, 259375, 311250, 312500, 468750, 518750, 622500, 778125, 937500, 1037500, 1296875, 1556250, 2593750, 3112500, 3890625, 5187500, 6484375, 7781250, 12968750, 15562500, 19453125, 25937500, 38906250, 77812500]

約数ペア:

[(1, 77812500), (2, 38906250), (3, 25937500), (4, 19453125), (5, 15562500), (6, 12968750), (10, 7781250), (12, 6484375), (15, 5187500), (20, 3890625), (25, 3112500), (30, 2593750), (50, 1556250), (60, 1296875), (75, 1037500), (83, 937500), (100, 778125), (125, 622500), (150, 518750), (166, 468750), (249, 312500), (250, 311250), (300, 259375), (332, 234375), (375, 207500), (415, 187500), (498, 156250), (500, 155625), (625, 124500), (750, 103750), (830, 93750), (996, 78125), (1245, 62500), (1250, 62250), (1500, 51875), (1660, 46875), (1875, 41500), (2075, 37500), (2490, 31250), (2500, 31125), (3125, 24900), (3750, 20750), (4150, 18750), (4980, 15625), (6225, 12500), (6250, 12450), (7500, 10375), (8300, 9375)]