3983500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 9015552

約数和(自身を除く): 5032052

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 257, 310, 500, 514, 620, 775, 1028, 1285, 1550, 2570, 3100, 3875, 5140, 6425, 7750, 7967, 12850, 15500, 15934, 25700, 31868, 32125, 39835, 64250, 79670, 128500, 159340, 199175, 398350, 796700, 995875, 1991750, 3983500]

約数ペア:

[(1, 3983500), (2, 1991750), (4, 995875), (5, 796700), (10, 398350), (20, 199175), (25, 159340), (31, 128500), (50, 79670), (62, 64250), (100, 39835), (124, 32125), (125, 31868), (155, 25700), (250, 15934), (257, 15500), (310, 12850), (500, 7967), (514, 7750), (620, 6425), (775, 5140), (1028, 3875), (1285, 3100), (1550, 2570)]