890790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 2232576

約数和(自身を除く): 1341786

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 1291, 2582, 3873, 6455, 7746, 12910, 19365, 29693, 38730, 59386, 89079, 148465, 178158, 296930, 445395, 890790]

約数ペア:

[(1, 890790), (2, 445395), (3, 296930), (5, 178158), (6, 148465), (10, 89079), (15, 59386), (23, 38730), (30, 29693), (46, 19365), (69, 12910), (115, 7746), (138, 6455), (230, 3873), (345, 2582), (690, 1291)]