202110904

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 408736800

約数和(自身を除く): 206625896

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 361, 376, 722, 893, 1444, 1489, 1786, 2888, 2978, 3572, 5956, 7144, 11912, 16967, 28291, 33934, 56582, 67868, 69983, 113164, 135736, 139966, 226328, 279932, 537529, 559864, 1075058, 1329677, 2150116, 2659354, 4300232, 5318708, 10637416, 25263863, 50527726, 101055452, 202110904]

約数ペア:

[(1, 202110904), (2, 101055452), (4, 50527726), (8, 25263863), (19, 10637416), (38, 5318708), (47, 4300232), (76, 2659354), (94, 2150116), (152, 1329677), (188, 1075058), (361, 559864), (376, 537529), (722, 279932), (893, 226328), (1444, 139966), (1489, 135736), (1786, 113164), (2888, 69983), (2978, 67868), (3572, 56582), (5956, 33934), (7144, 28291), (11912, 16967)]