286750000

素因数分解:

$2^4\times 5^6\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 140

約数和(自身を含む): 736240576

約数和(自身を除く): 449490576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 37, 40, 50, 62, 74, 80, 100, 124, 125, 148, 155, 185, 200, 248, 250, 296, 310, 370, 400, 496, 500, 592, 620, 625, 740, 775, 925, 1000, 1147, 1240, 1250, 1480, 1550, 1850, 2000, 2294, 2480, 2500, 2960, 3100, 3125, 3700, 3875, 4588, 4625, 5000, 5735, 6200, 6250, 7400, 7750, 9176, 9250, 10000, 11470, 12400, 12500, 14800, 15500, 15625, 18352, 18500, 19375, 22940, 23125, 25000, 28675, 31000, 31250, 37000, 38750, 45880, 46250, 50000, 57350, 62000, 62500, 74000, 77500, 91760, 92500, 96875, 114700, 115625, 125000, 143375, 155000, 185000, 193750, 229400, 231250, 250000, 286750, 310000, 370000, 387500, 458800, 462500, 484375, 573500, 578125, 716875, 775000, 925000, 968750, 1147000, 1156250, 1433750, 1550000, 1850000, 1937500, 2294000, 2312500, 2867500, 3584375, 3875000, 4625000, 5735000, 7168750, 7750000, 9250000, 11470000, 14337500, 17921875, 28675000, 35843750, 57350000, 71687500, 143375000, 286750000]

約数ペア:

[(1, 286750000), (2, 143375000), (4, 71687500), (5, 57350000), (8, 35843750), (10, 28675000), (16, 17921875), (20, 14337500), (25, 11470000), (31, 9250000), (37, 7750000), (40, 7168750), (50, 5735000), (62, 4625000), (74, 3875000), (80, 3584375), (100, 2867500), (124, 2312500), (125, 2294000), (148, 1937500), (155, 1850000), (185, 1550000), (200, 1433750), (248, 1156250), (250, 1147000), (296, 968750), (310, 925000), (370, 775000), (400, 716875), (496, 578125), (500, 573500), (592, 484375), (620, 462500), (625, 458800), (740, 387500), (775, 370000), (925, 310000), (1000, 286750), (1147, 250000), (1240, 231250), (1250, 229400), (1480, 193750), (1550, 185000), (1850, 155000), (2000, 143375), (2294, 125000), (2480, 115625), (2500, 114700), (2960, 96875), (3100, 92500), (3125, 91760), (3700, 77500), (3875, 74000), (4588, 62500), (4625, 62000), (5000, 57350), (5735, 50000), (6200, 46250), (6250, 45880), (7400, 38750), (7750, 37000), (9176, 31250), (9250, 31000), (10000, 28675), (11470, 25000), (12400, 23125), (12500, 22940), (14800, 19375), (15500, 18500), (15625, 18352)]