82826660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 203777280

約数和(自身を除く): 120950620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 379, 446, 490, 758, 892, 980, 1115, 1516, 1561, 1895, 2230, 2653, 3122, 3790, 4460, 5306, 6244, 7580, 7805, 10612, 10927, 13265, 15610, 18571, 21854, 26530, 31220, 37142, 43708, 53060, 54635, 74284, 84517, 92855, 109270, 169034, 185710, 218540, 338068, 371420, 422585, 591619, 845170, 1183238, 1690340, 2366476, 2958095, 4141333, 5916190, 8282666, 11832380, 16565332, 20706665, 41413330, 82826660]

約数ペア:

[(1, 82826660), (2, 41413330), (4, 20706665), (5, 16565332), (7, 11832380), (10, 8282666), (14, 5916190), (20, 4141333), (28, 2958095), (35, 2366476), (49, 1690340), (70, 1183238), (98, 845170), (140, 591619), (196, 422585), (223, 371420), (245, 338068), (379, 218540), (446, 185710), (490, 169034), (758, 109270), (892, 92855), (980, 84517), (1115, 74284), (1516, 54635), (1561, 53060), (1895, 43708), (2230, 37142), (2653, 31220), (3122, 26530), (3790, 21854), (4460, 18571), (5306, 15610), (6244, 13265), (7580, 10927), (7805, 10612)]