250031250

素因数分解:

$2^1\times 3^2\times 5^6\times 7^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 168

約数和(自身を含む): 779990016

約数和(自身を除く): 529958766

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 127, 150, 175, 210, 225, 250, 254, 315, 350, 375, 381, 450, 525, 625, 630, 635, 750, 762, 875, 889, 1050, 1125, 1143, 1250, 1270, 1575, 1750, 1778, 1875, 1905, 2250, 2286, 2625, 2667, 3125, 3150, 3175, 3750, 3810, 4375, 4445, 5250, 5334, 5625, 5715, 6250, 6350, 7875, 8001, 8750, 8890, 9375, 9525, 11250, 11430, 13125, 13335, 15625, 15750, 15875, 16002, 18750, 19050, 21875, 22225, 26250, 26670, 28125, 28575, 31250, 31750, 39375, 40005, 43750, 44450, 46875, 47625, 56250, 57150, 65625, 66675, 78750, 79375, 80010, 93750, 95250, 109375, 111125, 131250, 133350, 140625, 142875, 158750, 196875, 200025, 218750, 222250, 238125, 281250, 285750, 328125, 333375, 393750, 396875, 400050, 476250, 555625, 656250, 666750, 714375, 793750, 984375, 1000125, 1111250, 1190625, 1428750, 1666875, 1968750, 1984375, 2000250, 2381250, 2778125, 3333750, 3571875, 3968750, 5000625, 5556250, 5953125, 7143750, 8334375, 10001250, 11906250, 13890625, 16668750, 17859375, 25003125, 27781250, 35718750, 41671875, 50006250, 83343750, 125015625, 250031250]

約数ペア:

[(1, 250031250), (2, 125015625), (3, 83343750), (5, 50006250), (6, 41671875), (7, 35718750), (9, 27781250), (10, 25003125), (14, 17859375), (15, 16668750), (18, 13890625), (21, 11906250), (25, 10001250), (30, 8334375), (35, 7143750), (42, 5953125), (45, 5556250), (50, 5000625), (63, 3968750), (70, 3571875), (75, 3333750), (90, 2778125), (105, 2381250), (125, 2000250), (126, 1984375), (127, 1968750), (150, 1666875), (175, 1428750), (210, 1190625), (225, 1111250), (250, 1000125), (254, 984375), (315, 793750), (350, 714375), (375, 666750), (381, 656250), (450, 555625), (525, 476250), (625, 400050), (630, 396875), (635, 393750), (750, 333375), (762, 328125), (875, 285750), (889, 281250), (1050, 238125), (1125, 222250), (1143, 218750), (1250, 200025), (1270, 196875), (1575, 158750), (1750, 142875), (1778, 140625), (1875, 133350), (1905, 131250), (2250, 111125), (2286, 109375), (2625, 95250), (2667, 93750), (3125, 80010), (3150, 79375), (3175, 78750), (3750, 66675), (3810, 65625), (4375, 57150), (4445, 56250), (5250, 47625), (5334, 46875), (5625, 44450), (5715, 43750), (6250, 40005), (6350, 39375), (7875, 31750), (8001, 31250), (8750, 28575), (8890, 28125), (9375, 26670), (9525, 26250), (11250, 22225), (11430, 21875), (13125, 19050), (13335, 18750), (15625, 16002), (15750, 15875)]