200809900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{15329}}^1$

素因数の和:15474

約数の個数: 36

約数和(自身を含む): 439112520

約数和(自身を除く): 238302620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 13100, 15329, 30658, 61316, 76645, 153290, 306580, 383225, 766450, 1532900, 2008099, 4016198, 8032396, 10040495, 20080990, 40161980, 50202475, 100404950, 200809900]

約数ペア:

[(1, 200809900), (2, 100404950), (4, 50202475), (5, 40161980), (10, 20080990), (20, 10040495), (25, 8032396), (50, 4016198), (100, 2008099), (131, 1532900), (262, 766450), (524, 383225), (655, 306580), (1310, 153290), (2620, 76645), (3275, 61316), (6550, 30658), (13100, 15329)]