31754140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 77220864

約数和(自身を除く): 45466724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 47, 55, 74, 83, 94, 110, 148, 166, 185, 188, 220, 235, 332, 370, 407, 415, 470, 517, 740, 814, 830, 913, 940, 1034, 1628, 1660, 1739, 1826, 2035, 2068, 2585, 3071, 3478, 3652, 3901, 4070, 4565, 5170, 6142, 6956, 7802, 8140, 8695, 9130, 10340, 12284, 15355, 15604, 17390, 18260, 19129, 19505, 30710, 33781, 34780, 38258, 39010, 42911, 61420, 67562, 76516, 78020, 85822, 95645, 135124, 144337, 168905, 171644, 191290, 214555, 288674, 337810, 382580, 429110, 577348, 675620, 721685, 858220, 1443370, 1587707, 2886740, 3175414, 6350828, 7938535, 15877070, 31754140]

約数ペア:

[(1, 31754140), (2, 15877070), (4, 7938535), (5, 6350828), (10, 3175414), (11, 2886740), (20, 1587707), (22, 1443370), (37, 858220), (44, 721685), (47, 675620), (55, 577348), (74, 429110), (83, 382580), (94, 337810), (110, 288674), (148, 214555), (166, 191290), (185, 171644), (188, 168905), (220, 144337), (235, 135124), (332, 95645), (370, 85822), (407, 78020), (415, 76516), (470, 67562), (517, 61420), (740, 42911), (814, 39010), (830, 38258), (913, 34780), (940, 33781), (1034, 30710), (1628, 19505), (1660, 19129), (1739, 18260), (1826, 17390), (2035, 15604), (2068, 15355), (2585, 12284), (3071, 10340), (3478, 9130), (3652, 8695), (3901, 8140), (4070, 7802), (4565, 6956), (5170, 6142)]