207438500

素因数分解:

$2^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{3167}}^1$

素因数の和:3317

約数の個数: 48

約数和(自身を含む): 456648192

約数和(自身を除く): 249209692

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 131, 250, 262, 500, 524, 655, 1310, 2620, 3167, 3275, 6334, 6550, 12668, 13100, 15835, 16375, 31670, 32750, 63340, 65500, 79175, 158350, 316700, 395875, 414877, 791750, 829754, 1583500, 1659508, 2074385, 4148770, 8297540, 10371925, 20743850, 41487700, 51859625, 103719250, 207438500]

約数ペア:

[(1, 207438500), (2, 103719250), (4, 51859625), (5, 41487700), (10, 20743850), (20, 10371925), (25, 8297540), (50, 4148770), (100, 2074385), (125, 1659508), (131, 1583500), (250, 829754), (262, 791750), (500, 414877), (524, 395875), (655, 316700), (1310, 158350), (2620, 79175), (3167, 65500), (3275, 63340), (6334, 32750), (6550, 31670), (12668, 16375), (13100, 15835)]