289453820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{4813}}^1$

素因数の和:4950

約数の個数: 48

約数和(自身を含む): 634061568

約数和(自身を除く): 344607748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 3007, 4813, 6014, 9626, 12028, 15035, 19252, 24065, 30070, 48130, 60140, 96260, 149203, 298406, 466861, 596812, 746015, 933722, 1492030, 1867444, 2334305, 2984060, 4668610, 9337220, 14472691, 28945382, 57890764, 72363455, 144726910, 289453820]

約数ペア:

[(1, 289453820), (2, 144726910), (4, 72363455), (5, 57890764), (10, 28945382), (20, 14472691), (31, 9337220), (62, 4668610), (97, 2984060), (124, 2334305), (155, 1867444), (194, 1492030), (310, 933722), (388, 746015), (485, 596812), (620, 466861), (970, 298406), (1940, 149203), (3007, 96260), (4813, 60140), (6014, 48130), (9626, 30070), (12028, 24065), (15035, 19252)]