178541028

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 469297920

約数和(自身を除く): 290756892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 157, 186, 279, 314, 372, 471, 558, 628, 942, 1019, 1116, 1413, 1884, 2038, 2826, 3057, 4076, 4867, 5652, 6114, 9171, 9734, 12228, 14601, 18342, 19468, 29202, 31589, 36684, 43803, 58404, 63178, 87606, 94767, 126356, 159983, 175212, 189534, 284301, 319966, 379068, 479949, 568602, 639932, 959898, 1137204, 1439847, 1919796, 2879694, 4959473, 5759388, 9918946, 14878419, 19837892, 29756838, 44635257, 59513676, 89270514, 178541028]

約数ペア:

[(1, 178541028), (2, 89270514), (3, 59513676), (4, 44635257), (6, 29756838), (9, 19837892), (12, 14878419), (18, 9918946), (31, 5759388), (36, 4959473), (62, 2879694), (93, 1919796), (124, 1439847), (157, 1137204), (186, 959898), (279, 639932), (314, 568602), (372, 479949), (471, 379068), (558, 319966), (628, 284301), (942, 189534), (1019, 175212), (1116, 159983), (1413, 126356), (1884, 94767), (2038, 87606), (2826, 63178), (3057, 58404), (4076, 43803), (4867, 36684), (5652, 31589), (6114, 29202), (9171, 19468), (9734, 18342), (12228, 14601)]