39018100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 93744000

約数和(自身を除く): 54725900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 449, 550, 790, 869, 898, 1100, 1580, 1738, 1796, 1975, 2245, 3476, 3950, 4345, 4490, 4939, 7900, 8690, 8980, 9878, 11225, 17380, 19756, 21725, 22450, 24695, 35471, 43450, 44900, 49390, 70942, 86900, 98780, 123475, 141884, 177355, 246950, 354710, 390181, 493900, 709420, 780362, 886775, 1560724, 1773550, 1950905, 3547100, 3901810, 7803620, 9754525, 19509050, 39018100]

約数ペア:

[(1, 39018100), (2, 19509050), (4, 9754525), (5, 7803620), (10, 3901810), (11, 3547100), (20, 1950905), (22, 1773550), (25, 1560724), (44, 886775), (50, 780362), (55, 709420), (79, 493900), (100, 390181), (110, 354710), (158, 246950), (220, 177355), (275, 141884), (316, 123475), (395, 98780), (449, 86900), (550, 70942), (790, 49390), (869, 44900), (898, 43450), (1100, 35471), (1580, 24695), (1738, 22450), (1796, 21725), (1975, 19756), (2245, 17380), (3476, 11225), (3950, 9878), (4345, 8980), (4490, 8690), (4939, 7900)]