1889811680

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{407287}}^1$

素因数の和:407331

約数の個数: 48

約数和(自身を含む): 4618645920

約数和(自身を除く): 2728834240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 407287, 814574, 1629148, 2036435, 3258296, 4072870, 6516592, 8145740, 11811323, 13033184, 16291480, 23622646, 32582960, 47245292, 59056615, 65165920, 94490584, 118113230, 188981168, 236226460, 377962336, 472452920, 944905840, 1889811680]

約数ペア:

[(1, 1889811680), (2, 944905840), (4, 472452920), (5, 377962336), (8, 236226460), (10, 188981168), (16, 118113230), (20, 94490584), (29, 65165920), (32, 59056615), (40, 47245292), (58, 32582960), (80, 23622646), (116, 16291480), (145, 13033184), (160, 11811323), (232, 8145740), (290, 6516592), (464, 4072870), (580, 3258296), (928, 2036435), (1160, 1629148), (2320, 814574), (4640, 407287)]