188740720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 524537856

約数和(自身を除く): 335797136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 71, 80, 94, 101, 112, 140, 142, 188, 202, 235, 280, 284, 329, 355, 376, 404, 470, 497, 505, 560, 568, 658, 707, 710, 752, 808, 940, 994, 1010, 1136, 1316, 1414, 1420, 1616, 1645, 1880, 1988, 2020, 2485, 2632, 2828, 2840, 3290, 3337, 3535, 3760, 3976, 4040, 4747, 4970, 5264, 5656, 5680, 6580, 6674, 7070, 7171, 7952, 8080, 9494, 9940, 11312, 13160, 13348, 14140, 14342, 16685, 18988, 19880, 23359, 23735, 26320, 26696, 28280, 28684, 33229, 33370, 35855, 37976, 39760, 46718, 47470, 50197, 53392, 56560, 57368, 66458, 66740, 71710, 75952, 93436, 94940, 100394, 114736, 116795, 132916, 133480, 143420, 166145, 186872, 189880, 200788, 233590, 250985, 265832, 266960, 286840, 332290, 337037, 373744, 379760, 401576, 467180, 501970, 531664, 573680, 664580, 674074, 803152, 934360, 1003940, 1329160, 1348148, 1685185, 1868720, 2007880, 2359259, 2658320, 2696296, 3370370, 4015760, 4718518, 5392592, 6740740, 9437036, 11796295, 13481480, 18874072, 23592590, 26962960, 37748144, 47185180, 94370360, 188740720]

約数ペア:

[(1, 188740720), (2, 94370360), (4, 47185180), (5, 37748144), (7, 26962960), (8, 23592590), (10, 18874072), (14, 13481480), (16, 11796295), (20, 9437036), (28, 6740740), (35, 5392592), (40, 4718518), (47, 4015760), (56, 3370370), (70, 2696296), (71, 2658320), (80, 2359259), (94, 2007880), (101, 1868720), (112, 1685185), (140, 1348148), (142, 1329160), (188, 1003940), (202, 934360), (235, 803152), (280, 674074), (284, 664580), (329, 573680), (355, 531664), (376, 501970), (404, 467180), (470, 401576), (497, 379760), (505, 373744), (560, 337037), (568, 332290), (658, 286840), (707, 266960), (710, 265832), (752, 250985), (808, 233590), (940, 200788), (994, 189880), (1010, 186872), (1136, 166145), (1316, 143420), (1414, 133480), (1420, 132916), (1616, 116795), (1645, 114736), (1880, 100394), (1988, 94940), (2020, 93436), (2485, 75952), (2632, 71710), (2828, 66740), (2840, 66458), (3290, 57368), (3337, 56560), (3535, 53392), (3760, 50197), (3976, 47470), (4040, 46718), (4747, 39760), (4970, 37976), (5264, 35855), (5656, 33370), (5680, 33229), (6580, 28684), (6674, 28280), (7070, 26696), (7171, 26320), (7952, 23735), (8080, 23359), (9494, 19880), (9940, 18988), (11312, 16685), (13160, 14342), (13348, 14140)]