31251710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 70917120

約数和(自身を除く): 39665410

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 47, 49, 59, 70, 94, 98, 115, 118, 161, 230, 235, 245, 295, 322, 329, 413, 470, 490, 590, 658, 805, 826, 1081, 1127, 1357, 1610, 1645, 2065, 2162, 2254, 2303, 2714, 2773, 2891, 3290, 4130, 4606, 5405, 5546, 5635, 5782, 6785, 7567, 9499, 10810, 11270, 11515, 13570, 13865, 14455, 15134, 18998, 19411, 23030, 27730, 28910, 37835, 38822, 47495, 52969, 63779, 66493, 75670, 94990, 97055, 105938, 127558, 132986, 135877, 194110, 264845, 271754, 318895, 332465, 446453, 529690, 637790, 664930, 679385, 892906, 1358770, 2232265, 3125171, 4464530, 6250342, 15625855, 31251710]

約数ペア:

[(1, 31251710), (2, 15625855), (5, 6250342), (7, 4464530), (10, 3125171), (14, 2232265), (23, 1358770), (35, 892906), (46, 679385), (47, 664930), (49, 637790), (59, 529690), (70, 446453), (94, 332465), (98, 318895), (115, 271754), (118, 264845), (161, 194110), (230, 135877), (235, 132986), (245, 127558), (295, 105938), (322, 97055), (329, 94990), (413, 75670), (470, 66493), (490, 63779), (590, 52969), (658, 47495), (805, 38822), (826, 37835), (1081, 28910), (1127, 27730), (1357, 23030), (1610, 19411), (1645, 18998), (2065, 15134), (2162, 14455), (2254, 13865), (2303, 13570), (2714, 11515), (2773, 11270), (2891, 10810), (3290, 9499), (4130, 7567), (4606, 6785), (5405, 5782), (5546, 5635)]