28507000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1033

約数の個数: 64

約数和(自身を含む): 69076800

約数和(自身を除く): 40569800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 580, 725, 983, 1000, 1160, 1450, 1966, 2900, 3625, 3932, 4915, 5800, 7250, 7864, 9830, 14500, 19660, 24575, 28507, 29000, 39320, 49150, 57014, 98300, 114028, 122875, 142535, 196600, 228056, 245750, 285070, 491500, 570140, 712675, 983000, 1140280, 1425350, 2850700, 3563375, 5701400, 7126750, 14253500, 28507000]

約数ペア:

[(1, 28507000), (2, 14253500), (4, 7126750), (5, 5701400), (8, 3563375), (10, 2850700), (20, 1425350), (25, 1140280), (29, 983000), (40, 712675), (50, 570140), (58, 491500), (100, 285070), (116, 245750), (125, 228056), (145, 196600), (200, 142535), (232, 122875), (250, 114028), (290, 98300), (500, 57014), (580, 49150), (725, 39320), (983, 29000), (1000, 28507), (1160, 24575), (1450, 19660), (1966, 14500), (2900, 9830), (3625, 7864), (3932, 7250), (4915, 5800)]