17381540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 41682816

約数和(自身を除く): 24301276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 47, 55, 82, 94, 110, 164, 188, 205, 220, 235, 410, 451, 470, 517, 820, 902, 940, 1034, 1681, 1804, 1927, 2068, 2255, 2585, 3362, 3854, 4510, 5170, 6724, 7708, 8405, 9020, 9635, 10340, 16810, 18491, 19270, 21197, 33620, 36982, 38540, 42394, 73964, 79007, 84788, 92455, 105985, 158014, 184910, 211970, 316028, 369820, 395035, 423940, 790070, 869077, 1580140, 1738154, 3476308, 4345385, 8690770, 17381540]

約数ペア:

[(1, 17381540), (2, 8690770), (4, 4345385), (5, 3476308), (10, 1738154), (11, 1580140), (20, 869077), (22, 790070), (41, 423940), (44, 395035), (47, 369820), (55, 316028), (82, 211970), (94, 184910), (110, 158014), (164, 105985), (188, 92455), (205, 84788), (220, 79007), (235, 73964), (410, 42394), (451, 38540), (470, 36982), (517, 33620), (820, 21197), (902, 19270), (940, 18491), (1034, 16810), (1681, 10340), (1804, 9635), (1927, 9020), (2068, 8405), (2255, 7708), (2585, 6724), (3362, 5170), (3854, 4510)]