340900720

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{8179}}^1$

素因数の和:8713

約数の個数: 40

約数和(自身を含む): 794212560

約数和(自身を除く): 453311840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 2084, 2605, 4168, 5210, 8179, 8336, 10420, 16358, 20840, 32716, 40895, 41680, 65432, 81790, 130864, 163580, 327160, 654320, 4261259, 8522518, 17045036, 21306295, 34090072, 42612590, 68180144, 85225180, 170450360, 340900720]

約数ペア:

[(1, 340900720), (2, 170450360), (4, 85225180), (5, 68180144), (8, 42612590), (10, 34090072), (16, 21306295), (20, 17045036), (40, 8522518), (80, 4261259), (521, 654320), (1042, 327160), (2084, 163580), (2605, 130864), (4168, 81790), (5210, 65432), (8179, 41680), (8336, 40895), (10420, 32716), (16358, 20840)]