9187400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 21695040

約数和(自身を除く): 12507640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 647, 710, 1294, 1420, 1775, 2588, 2840, 3235, 3550, 5176, 6470, 7100, 12940, 14200, 16175, 25880, 32350, 45937, 64700, 91874, 129400, 183748, 229685, 367496, 459370, 918740, 1148425, 1837480, 2296850, 4593700, 9187400]

約数ペア:

[(1, 9187400), (2, 4593700), (4, 2296850), (5, 1837480), (8, 1148425), (10, 918740), (20, 459370), (25, 367496), (40, 229685), (50, 183748), (71, 129400), (100, 91874), (142, 64700), (200, 45937), (284, 32350), (355, 25880), (568, 16175), (647, 14200), (710, 12940), (1294, 7100), (1420, 6470), (1775, 5176), (2588, 3550), (2840, 3235)]