491250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{131}}^1$

素因数の和:156

約数の個数: 40

約数和(自身を含む): 1237104

約数和(自身を除く): 745854

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 131, 150, 250, 262, 375, 393, 625, 655, 750, 786, 1250, 1310, 1875, 1965, 3275, 3750, 3930, 6550, 9825, 16375, 19650, 32750, 49125, 81875, 98250, 163750, 245625, 491250]

約数ペア:

[(1, 491250), (2, 245625), (3, 163750), (5, 98250), (6, 81875), (10, 49125), (15, 32750), (25, 19650), (30, 16375), (50, 9825), (75, 6550), (125, 3930), (131, 3750), (150, 3275), (250, 1965), (262, 1875), (375, 1310), (393, 1250), (625, 786), (655, 750)]