86831900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2043

約数の個数: 72

約数和(自身を含む): 207070080

約数和(自身を除く): 120238180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 874, 950, 1150, 1748, 1900, 1987, 2185, 2300, 3974, 4370, 7948, 8740, 9935, 10925, 19870, 21850, 37753, 39740, 43700, 45701, 49675, 75506, 91402, 99350, 151012, 182804, 188765, 198700, 228505, 377530, 457010, 755060, 868319, 914020, 943825, 1142525, 1736638, 1887650, 2285050, 3473276, 3775300, 4341595, 4570100, 8683190, 17366380, 21707975, 43415950, 86831900]

約数ペア:

[(1, 86831900), (2, 43415950), (4, 21707975), (5, 17366380), (10, 8683190), (19, 4570100), (20, 4341595), (23, 3775300), (25, 3473276), (38, 2285050), (46, 1887650), (50, 1736638), (76, 1142525), (92, 943825), (95, 914020), (100, 868319), (115, 755060), (190, 457010), (230, 377530), (380, 228505), (437, 198700), (460, 188765), (475, 182804), (575, 151012), (874, 99350), (950, 91402), (1150, 75506), (1748, 49675), (1900, 45701), (1987, 43700), (2185, 39740), (2300, 37753), (3974, 21850), (4370, 19870), (7948, 10925), (8740, 9935)]