105039500

素因数分解:

$2^2\times 5^3\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 230412000

約数和(自身を除く): 125372500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 421, 499, 500, 842, 998, 1684, 1996, 2105, 2495, 4210, 4990, 8420, 9980, 10525, 12475, 21050, 24950, 42100, 49900, 52625, 62375, 105250, 124750, 210079, 210500, 249500, 420158, 840316, 1050395, 2100790, 4201580, 5251975, 10503950, 21007900, 26259875, 52519750, 105039500]

約数ペア:

[(1, 105039500), (2, 52519750), (4, 26259875), (5, 21007900), (10, 10503950), (20, 5251975), (25, 4201580), (50, 2100790), (100, 1050395), (125, 840316), (250, 420158), (421, 249500), (499, 210500), (500, 210079), (842, 124750), (998, 105250), (1684, 62375), (1996, 52625), (2105, 49900), (2495, 42100), (4210, 24950), (4990, 21050), (8420, 12475), (9980, 10525)]