72850000

素因数分解:

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

素因数の和:111

約数の個数: 120

約数和(自身を含む): 185988096

約数和(自身を除く): 113138096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 47, 50, 62, 80, 94, 100, 124, 125, 155, 188, 200, 235, 248, 250, 310, 376, 400, 470, 496, 500, 620, 625, 752, 775, 940, 1000, 1175, 1240, 1250, 1457, 1550, 1880, 2000, 2350, 2480, 2500, 2914, 3100, 3125, 3760, 3875, 4700, 5000, 5828, 5875, 6200, 6250, 7285, 7750, 9400, 10000, 11656, 11750, 12400, 12500, 14570, 15500, 18800, 19375, 23312, 23500, 25000, 29140, 29375, 31000, 36425, 38750, 47000, 50000, 58280, 58750, 62000, 72850, 77500, 94000, 96875, 116560, 117500, 145700, 146875, 155000, 182125, 193750, 235000, 291400, 293750, 310000, 364250, 387500, 470000, 582800, 587500, 728500, 775000, 910625, 1175000, 1457000, 1550000, 1821250, 2350000, 2914000, 3642500, 4553125, 7285000, 9106250, 14570000, 18212500, 36425000, 72850000]

約数ペア:

[(1, 72850000), (2, 36425000), (4, 18212500), (5, 14570000), (8, 9106250), (10, 7285000), (16, 4553125), (20, 3642500), (25, 2914000), (31, 2350000), (40, 1821250), (47, 1550000), (50, 1457000), (62, 1175000), (80, 910625), (94, 775000), (100, 728500), (124, 587500), (125, 582800), (155, 470000), (188, 387500), (200, 364250), (235, 310000), (248, 293750), (250, 291400), (310, 235000), (376, 193750), (400, 182125), (470, 155000), (496, 146875), (500, 145700), (620, 117500), (625, 116560), (752, 96875), (775, 94000), (940, 77500), (1000, 72850), (1175, 62000), (1240, 58750), (1250, 58280), (1457, 50000), (1550, 47000), (1880, 38750), (2000, 36425), (2350, 31000), (2480, 29375), (2500, 29140), (2914, 25000), (3100, 23500), (3125, 23312), (3760, 19375), (3875, 18800), (4700, 15500), (5000, 14570), (5828, 12500), (5875, 12400), (6200, 11750), (6250, 11656), (7285, 10000), (7750, 9400)]