890335960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{13009}}^1$

素因数の和:13108

約数の個数: 64

約数和(自身を含む): 2107620000

約数和(自身を除く): 1217284040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 472, 580, 590, 1160, 1180, 1711, 2360, 3422, 6844, 8555, 13009, 13688, 17110, 26018, 34220, 52036, 65045, 68440, 104072, 130090, 260180, 377261, 520360, 754522, 767531, 1509044, 1535062, 1886305, 3018088, 3070124, 3772610, 3837655, 6140248, 7545220, 7675310, 15090440, 15350620, 22258399, 30701240, 44516798, 89033596, 111291995, 178067192, 222583990, 445167980, 890335960]

約数ペア:

[(1, 890335960), (2, 445167980), (4, 222583990), (5, 178067192), (8, 111291995), (10, 89033596), (20, 44516798), (29, 30701240), (40, 22258399), (58, 15350620), (59, 15090440), (116, 7675310), (118, 7545220), (145, 6140248), (232, 3837655), (236, 3772610), (290, 3070124), (295, 3018088), (472, 1886305), (580, 1535062), (590, 1509044), (1160, 767531), (1180, 754522), (1711, 520360), (2360, 377261), (3422, 260180), (6844, 130090), (8555, 104072), (13009, 68440), (13688, 65045), (17110, 52036), (26018, 34220)]