85900900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 203112000

約数和(自身を除く): 117211100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 950, 1102, 1450, 1559, 1900, 2204, 2755, 2900, 3118, 5510, 6236, 7795, 11020, 13775, 15590, 27550, 29621, 31180, 38975, 45211, 55100, 59242, 77950, 90422, 118484, 148105, 155900, 180844, 226055, 296210, 452110, 592420, 740525, 859009, 904220, 1130275, 1481050, 1718018, 2260550, 2962100, 3436036, 4295045, 4521100, 8590090, 17180180, 21475225, 42950450, 85900900]

約数ペア:

[(1, 85900900), (2, 42950450), (4, 21475225), (5, 17180180), (10, 8590090), (19, 4521100), (20, 4295045), (25, 3436036), (29, 2962100), (38, 2260550), (50, 1718018), (58, 1481050), (76, 1130275), (95, 904220), (100, 859009), (116, 740525), (145, 592420), (190, 452110), (290, 296210), (380, 226055), (475, 180844), (551, 155900), (580, 148105), (725, 118484), (950, 90422), (1102, 77950), (1450, 59242), (1559, 55100), (1900, 45211), (2204, 38975), (2755, 31180), (2900, 29621), (3118, 27550), (5510, 15590), (6236, 13775), (7795, 11020)]