102010405

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 152406144

約数和(自身を除く): 50395739

約数列:

[1, 5, 7, 23, 35, 43, 49, 115, 161, 215, 245, 301, 421, 805, 989, 1127, 1505, 2105, 2107, 2947, 4945, 5635, 6923, 9683, 10535, 14735, 18103, 20629, 34615, 48415, 48461, 67781, 90515, 103145, 126721, 242305, 338905, 416369, 474467, 633605, 887047, 2081845, 2372335, 2914583, 4435235, 14572915, 20402081, 102010405]

約数ペア:

[(1, 102010405), (5, 20402081), (7, 14572915), (23, 4435235), (35, 2914583), (43, 2372335), (49, 2081845), (115, 887047), (161, 633605), (215, 474467), (245, 416369), (301, 338905), (421, 242305), (805, 126721), (989, 103145), (1127, 90515), (1505, 67781), (2105, 48461), (2107, 48415), (2947, 34615), (4945, 20629), (5635, 18103), (6923, 14735), (9683, 10535)]