7285000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 17994240

約数和(自身を除く): 10709240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 47, 50, 62, 94, 100, 124, 125, 155, 188, 200, 235, 248, 250, 310, 376, 470, 500, 620, 625, 775, 940, 1000, 1175, 1240, 1250, 1457, 1550, 1880, 2350, 2500, 2914, 3100, 3875, 4700, 5000, 5828, 5875, 6200, 7285, 7750, 9400, 11656, 11750, 14570, 15500, 19375, 23500, 29140, 29375, 31000, 36425, 38750, 47000, 58280, 58750, 72850, 77500, 117500, 145700, 155000, 182125, 235000, 291400, 364250, 728500, 910625, 1457000, 1821250, 3642500, 7285000]

約数ペア:

[(1, 7285000), (2, 3642500), (4, 1821250), (5, 1457000), (8, 910625), (10, 728500), (20, 364250), (25, 291400), (31, 235000), (40, 182125), (47, 155000), (50, 145700), (62, 117500), (94, 77500), (100, 72850), (124, 58750), (125, 58280), (155, 47000), (188, 38750), (200, 36425), (235, 31000), (248, 29375), (250, 29140), (310, 23500), (376, 19375), (470, 15500), (500, 14570), (620, 11750), (625, 11656), (775, 9400), (940, 7750), (1000, 7285), (1175, 6200), (1240, 5875), (1250, 5828), (1457, 5000), (1550, 4700), (1880, 3875), (2350, 3100), (2500, 2914)]