343676840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{660917}}^1$

素因数の和:660941

約数の個数: 32

約数和(自身を含む): 832756680

約数和(自身を除く): 489079840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 660917, 1321834, 2643668, 3304585, 5287336, 6609170, 8591921, 13218340, 17183842, 26436680, 34367684, 42959605, 68735368, 85919210, 171838420, 343676840]

約数ペア:

[(1, 343676840), (2, 171838420), (4, 85919210), (5, 68735368), (8, 42959605), (10, 34367684), (13, 26436680), (20, 17183842), (26, 13218340), (40, 8591921), (52, 6609170), (65, 5287336), (104, 3304585), (130, 2643668), (260, 1321834), (520, 660917)]