491569225

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 753166080

約数和(自身を除く): 261596855

約数列:

[1, 5, 7, 23, 25, 35, 49, 73, 115, 161, 175, 239, 245, 365, 511, 575, 805, 1127, 1195, 1225, 1673, 1679, 1825, 2555, 3577, 4025, 5497, 5635, 5975, 8365, 8395, 11711, 11753, 12775, 17447, 17885, 27485, 28175, 38479, 41825, 41975, 58555, 58765, 82271, 87235, 89425, 122129, 137425, 192395, 269353, 292775, 293825, 401281, 411355, 436175, 610645, 854903, 961975, 1346765, 2006405, 2056775, 2808967, 3053225, 4274515, 6733825, 10032025, 14044835, 19662769, 21372575, 70224175, 98313845, 491569225]

約数ペア:

[(1, 491569225), (5, 98313845), (7, 70224175), (23, 21372575), (25, 19662769), (35, 14044835), (49, 10032025), (73, 6733825), (115, 4274515), (161, 3053225), (175, 2808967), (239, 2056775), (245, 2006405), (365, 1346765), (511, 961975), (575, 854903), (805, 610645), (1127, 436175), (1195, 411355), (1225, 401281), (1673, 293825), (1679, 292775), (1825, 269353), (2555, 192395), (3577, 137425), (4025, 122129), (5497, 89425), (5635, 87235), (5975, 82271), (8365, 58765), (8395, 58555), (11711, 41975), (11753, 41825), (12775, 38479), (17447, 28175), (17885, 27485)]