4031000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 9828000

約数和(自身を除く): 5797000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 139, 145, 200, 232, 250, 278, 290, 500, 556, 580, 695, 725, 1000, 1112, 1160, 1390, 1450, 2780, 2900, 3475, 3625, 4031, 5560, 5800, 6950, 7250, 8062, 13900, 14500, 16124, 17375, 20155, 27800, 29000, 32248, 34750, 40310, 69500, 80620, 100775, 139000, 161240, 201550, 403100, 503875, 806200, 1007750, 2015500, 4031000]

約数ペア:

[(1, 4031000), (2, 2015500), (4, 1007750), (5, 806200), (8, 503875), (10, 403100), (20, 201550), (25, 161240), (29, 139000), (40, 100775), (50, 80620), (58, 69500), (100, 40310), (116, 34750), (125, 32248), (139, 29000), (145, 27800), (200, 20155), (232, 17375), (250, 16124), (278, 14500), (290, 13900), (500, 8062), (556, 7250), (580, 6950), (695, 5800), (725, 5560), (1000, 4031), (1112, 3625), (1160, 3475), (1390, 2900), (1450, 2780)]