494810360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 1261578240

約数和(自身を除く): 766767880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 71, 88, 94, 110, 142, 188, 220, 235, 284, 337, 355, 376, 440, 470, 517, 568, 674, 710, 781, 940, 1034, 1348, 1420, 1562, 1685, 1880, 2068, 2585, 2696, 2840, 3124, 3337, 3370, 3707, 3905, 4136, 5170, 6248, 6674, 6740, 7414, 7810, 10340, 13348, 13480, 14828, 15620, 15839, 16685, 18535, 20680, 23927, 26696, 29656, 31240, 31678, 33370, 36707, 37070, 47854, 63356, 66740, 73414, 74140, 79195, 95708, 119635, 126712, 133480, 146828, 148280, 158390, 174229, 183535, 191416, 239270, 263197, 293656, 316780, 348458, 367070, 478540, 526394, 633560, 696916, 734140, 871145, 957080, 1052788, 1124569, 1315985, 1393832, 1468280, 1742290, 2105576, 2249138, 2631970, 3484580, 4498276, 5263940, 5622845, 6969160, 8996552, 10527880, 11245690, 12370259, 22491380, 24740518, 44982760, 49481036, 61851295, 98962072, 123702590, 247405180, 494810360]

約数ペア:

[(1, 494810360), (2, 247405180), (4, 123702590), (5, 98962072), (8, 61851295), (10, 49481036), (11, 44982760), (20, 24740518), (22, 22491380), (40, 12370259), (44, 11245690), (47, 10527880), (55, 8996552), (71, 6969160), (88, 5622845), (94, 5263940), (110, 4498276), (142, 3484580), (188, 2631970), (220, 2249138), (235, 2105576), (284, 1742290), (337, 1468280), (355, 1393832), (376, 1315985), (440, 1124569), (470, 1052788), (517, 957080), (568, 871145), (674, 734140), (710, 696916), (781, 633560), (940, 526394), (1034, 478540), (1348, 367070), (1420, 348458), (1562, 316780), (1685, 293656), (1880, 263197), (2068, 239270), (2585, 191416), (2696, 183535), (2840, 174229), (3124, 158390), (3337, 148280), (3370, 146828), (3707, 133480), (3905, 126712), (4136, 119635), (5170, 95708), (6248, 79195), (6674, 74140), (6740, 73414), (7414, 66740), (7810, 63356), (10340, 47854), (13348, 37070), (13480, 36707), (14828, 33370), (15620, 31678), (15839, 31240), (16685, 29656), (18535, 26696), (20680, 23927)]