28023820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 41649140

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 59, 68, 85, 110, 118, 127, 170, 187, 220, 236, 254, 295, 340, 374, 508, 590, 635, 649, 748, 935, 1003, 1180, 1270, 1298, 1397, 1870, 2006, 2159, 2540, 2596, 2794, 3245, 3740, 4012, 4318, 5015, 5588, 6490, 6985, 7493, 8636, 10030, 10795, 11033, 12980, 13970, 14986, 20060, 21590, 22066, 23749, 27940, 29972, 37465, 43180, 44132, 47498, 55165, 74930, 82423, 94996, 110330, 118745, 127381, 149860, 164846, 220660, 237490, 254762, 329692, 412115, 474980, 509524, 636905, 824230, 1273810, 1401191, 1648460, 2547620, 2802382, 5604764, 7005955, 14011910, 28023820]

約数ペア:

[(1, 28023820), (2, 14011910), (4, 7005955), (5, 5604764), (10, 2802382), (11, 2547620), (17, 1648460), (20, 1401191), (22, 1273810), (34, 824230), (44, 636905), (55, 509524), (59, 474980), (68, 412115), (85, 329692), (110, 254762), (118, 237490), (127, 220660), (170, 164846), (187, 149860), (220, 127381), (236, 118745), (254, 110330), (295, 94996), (340, 82423), (374, 74930), (508, 55165), (590, 47498), (635, 44132), (649, 43180), (748, 37465), (935, 29972), (1003, 27940), (1180, 23749), (1270, 22066), (1298, 21590), (1397, 20060), (1870, 14986), (2006, 13970), (2159, 12980), (2540, 11033), (2596, 10795), (2794, 10030), (3245, 8636), (3740, 7493), (4012, 6985), (4318, 6490), (5015, 5588)]