204020810

素因数分解:

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

素因数の和:508

約数の個数: 96

約数和(自身を含む): 457218432

約数和(自身を除く): 253197622

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 43, 46, 49, 70, 86, 98, 115, 161, 215, 230, 245, 301, 322, 421, 430, 490, 602, 805, 842, 989, 1127, 1505, 1610, 1978, 2105, 2107, 2254, 2947, 3010, 4210, 4214, 4945, 5635, 5894, 6923, 9683, 9890, 10535, 11270, 13846, 14735, 18103, 19366, 20629, 21070, 29470, 34615, 36206, 41258, 48415, 48461, 67781, 69230, 90515, 96830, 96922, 103145, 126721, 135562, 181030, 206290, 242305, 253442, 338905, 416369, 474467, 484610, 633605, 677810, 832738, 887047, 948934, 1267210, 1774094, 2081845, 2372335, 2914583, 4163690, 4435235, 4744670, 5829166, 8870470, 14572915, 20402081, 29145830, 40804162, 102010405, 204020810]

約数ペア:

[(1, 204020810), (2, 102010405), (5, 40804162), (7, 29145830), (10, 20402081), (14, 14572915), (23, 8870470), (35, 5829166), (43, 4744670), (46, 4435235), (49, 4163690), (70, 2914583), (86, 2372335), (98, 2081845), (115, 1774094), (161, 1267210), (215, 948934), (230, 887047), (245, 832738), (301, 677810), (322, 633605), (421, 484610), (430, 474467), (490, 416369), (602, 338905), (805, 253442), (842, 242305), (989, 206290), (1127, 181030), (1505, 135562), (1610, 126721), (1978, 103145), (2105, 96922), (2107, 96830), (2254, 90515), (2947, 69230), (3010, 67781), (4210, 48461), (4214, 48415), (4945, 41258), (5635, 36206), (5894, 34615), (6923, 29470), (9683, 21070), (9890, 20629), (10535, 19366), (11270, 18103), (13846, 14735)]