28675000

素因数分解:

$2^3\times 5^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 71245440

約数和(自身を除く): 42570440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 37, 40, 50, 62, 74, 100, 124, 125, 148, 155, 185, 200, 248, 250, 296, 310, 370, 500, 620, 625, 740, 775, 925, 1000, 1147, 1240, 1250, 1480, 1550, 1850, 2294, 2500, 3100, 3125, 3700, 3875, 4588, 4625, 5000, 5735, 6200, 6250, 7400, 7750, 9176, 9250, 11470, 12500, 15500, 18500, 19375, 22940, 23125, 25000, 28675, 31000, 37000, 38750, 45880, 46250, 57350, 77500, 92500, 96875, 114700, 115625, 143375, 155000, 185000, 193750, 229400, 231250, 286750, 387500, 462500, 573500, 716875, 775000, 925000, 1147000, 1433750, 2867500, 3584375, 5735000, 7168750, 14337500, 28675000]

約数ペア:

[(1, 28675000), (2, 14337500), (4, 7168750), (5, 5735000), (8, 3584375), (10, 2867500), (20, 1433750), (25, 1147000), (31, 925000), (37, 775000), (40, 716875), (50, 573500), (62, 462500), (74, 387500), (100, 286750), (124, 231250), (125, 229400), (148, 193750), (155, 185000), (185, 155000), (200, 143375), (248, 115625), (250, 114700), (296, 96875), (310, 92500), (370, 77500), (500, 57350), (620, 46250), (625, 45880), (740, 38750), (775, 37000), (925, 31000), (1000, 28675), (1147, 25000), (1240, 23125), (1250, 22940), (1480, 19375), (1550, 18500), (1850, 15500), (2294, 12500), (2500, 11470), (3100, 9250), (3125, 9176), (3700, 7750), (3875, 7400), (4588, 6250), (4625, 6200), (5000, 5735)]