1680835975

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 108

約数和(自身を含む): 2747275056

約数和(自身を除く): 1066439081

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 115, 161, 169, 175, 245, 299, 325, 353, 455, 575, 637, 805, 845, 1127, 1183, 1225, 1495, 1765, 2093, 2275, 2471, 3185, 3887, 4025, 4225, 4589, 5635, 5915, 7475, 8119, 8281, 8825, 10465, 12355, 14651, 15925, 17297, 19435, 22945, 27209, 28175, 29575, 32123, 40595, 41405, 52325, 56833, 59657, 61775, 73255, 86485, 97175, 105547, 114725, 136045, 160615, 190463, 202975, 207025, 224861, 284165, 298285, 366275, 397831, 417599, 432425, 527735, 680225, 738829, 803075, 952315, 1124305, 1372111, 1420825, 1491425, 1989155, 2087995, 2638675, 2923193, 3694145, 4761575, 5171803, 5621525, 6860555, 9604777, 9945775, 10439975, 14615965, 18470725, 25859015, 34302775, 48023885, 67233439, 73079825, 129295075, 240119425, 336167195, 1680835975]

約数ペア:

[(1, 1680835975), (5, 336167195), (7, 240119425), (13, 129295075), (23, 73079825), (25, 67233439), (35, 48023885), (49, 34302775), (65, 25859015), (91, 18470725), (115, 14615965), (161, 10439975), (169, 9945775), (175, 9604777), (245, 6860555), (299, 5621525), (325, 5171803), (353, 4761575), (455, 3694145), (575, 2923193), (637, 2638675), (805, 2087995), (845, 1989155), (1127, 1491425), (1183, 1420825), (1225, 1372111), (1495, 1124305), (1765, 952315), (2093, 803075), (2275, 738829), (2471, 680225), (3185, 527735), (3887, 432425), (4025, 417599), (4225, 397831), (4589, 366275), (5635, 298285), (5915, 284165), (7475, 224861), (8119, 207025), (8281, 202975), (8825, 190463), (10465, 160615), (12355, 136045), (14651, 114725), (15925, 105547), (17297, 97175), (19435, 86485), (22945, 73255), (27209, 61775), (28175, 59657), (29575, 56833), (32123, 52325), (40595, 41405)]