221751640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10723}}^1$

素因数の和:10792

約数の個数: 64

約数和(自身を含む): 555932160

約数和(自身を除く): 334180520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 10723, 20680, 21446, 42892, 53615, 85784, 107230, 117953, 214460, 235906, 428920, 471812, 503981, 589765, 943624, 1007962, 1179530, 2015924, 2359060, 2519905, 4031848, 4718120, 5039810, 5543791, 10079620, 11087582, 20159240, 22175164, 27718955, 44350328, 55437910, 110875820, 221751640]

約数ペア:

[(1, 221751640), (2, 110875820), (4, 55437910), (5, 44350328), (8, 27718955), (10, 22175164), (11, 20159240), (20, 11087582), (22, 10079620), (40, 5543791), (44, 5039810), (47, 4718120), (55, 4031848), (88, 2519905), (94, 2359060), (110, 2015924), (188, 1179530), (220, 1007962), (235, 943624), (376, 589765), (440, 503981), (470, 471812), (517, 428920), (940, 235906), (1034, 214460), (1880, 117953), (2068, 107230), (2585, 85784), (4136, 53615), (5170, 42892), (10340, 21446), (10723, 20680)]