201550000

素因数分解:

$2^4\times 5^5\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 508561200

約数和(自身を除く): 307011200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 139, 145, 200, 232, 250, 278, 290, 400, 464, 500, 556, 580, 625, 695, 725, 1000, 1112, 1160, 1250, 1390, 1450, 2000, 2224, 2320, 2500, 2780, 2900, 3125, 3475, 3625, 4031, 5000, 5560, 5800, 6250, 6950, 7250, 8062, 10000, 11120, 11600, 12500, 13900, 14500, 16124, 17375, 18125, 20155, 25000, 27800, 29000, 32248, 34750, 36250, 40310, 50000, 55600, 58000, 64496, 69500, 72500, 80620, 86875, 90625, 100775, 139000, 145000, 161240, 173750, 181250, 201550, 278000, 290000, 322480, 347500, 362500, 403100, 434375, 503875, 695000, 725000, 806200, 868750, 1007750, 1390000, 1450000, 1612400, 1737500, 2015500, 2519375, 3475000, 4031000, 5038750, 6950000, 8062000, 10077500, 12596875, 20155000, 25193750, 40310000, 50387500, 100775000, 201550000]

約数ペア:

[(1, 201550000), (2, 100775000), (4, 50387500), (5, 40310000), (8, 25193750), (10, 20155000), (16, 12596875), (20, 10077500), (25, 8062000), (29, 6950000), (40, 5038750), (50, 4031000), (58, 3475000), (80, 2519375), (100, 2015500), (116, 1737500), (125, 1612400), (139, 1450000), (145, 1390000), (200, 1007750), (232, 868750), (250, 806200), (278, 725000), (290, 695000), (400, 503875), (464, 434375), (500, 403100), (556, 362500), (580, 347500), (625, 322480), (695, 290000), (725, 278000), (1000, 201550), (1112, 181250), (1160, 173750), (1250, 161240), (1390, 145000), (1450, 139000), (2000, 100775), (2224, 90625), (2320, 86875), (2500, 80620), (2780, 72500), (2900, 69500), (3125, 64496), (3475, 58000), (3625, 55600), (4031, 50000), (5000, 40310), (5560, 36250), (5800, 34750), (6250, 32248), (6950, 29000), (7250, 27800), (8062, 25000), (10000, 20155), (11120, 18125), (11600, 17375), (12500, 16124), (13900, 14500)]