38392420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 91002240

約数和(自身を除く): 52609820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 79, 94, 110, 158, 188, 220, 235, 316, 395, 470, 517, 790, 869, 940, 1034, 1580, 1738, 2068, 2209, 2585, 3476, 3713, 4345, 4418, 5170, 7426, 8690, 8836, 10340, 11045, 14852, 17380, 18565, 22090, 24299, 37130, 40843, 44180, 48598, 74260, 81686, 97196, 121495, 163372, 174511, 204215, 242990, 349022, 408430, 485980, 698044, 816860, 872555, 1745110, 1919621, 3490220, 3839242, 7678484, 9598105, 19196210, 38392420]

約数ペア:

[(1, 38392420), (2, 19196210), (4, 9598105), (5, 7678484), (10, 3839242), (11, 3490220), (20, 1919621), (22, 1745110), (44, 872555), (47, 816860), (55, 698044), (79, 485980), (94, 408430), (110, 349022), (158, 242990), (188, 204215), (220, 174511), (235, 163372), (316, 121495), (395, 97196), (470, 81686), (517, 74260), (790, 48598), (869, 44180), (940, 40843), (1034, 37130), (1580, 24299), (1738, 22090), (2068, 18565), (2209, 17380), (2585, 14852), (3476, 11045), (3713, 10340), (4345, 8836), (4418, 8690), (5170, 7426)]