68823220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 149909760

約数和(自身を除く): 81086540

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1013, 1580, 2026, 3397, 4052, 5065, 6794, 10130, 13588, 16985, 20260, 33970, 43559, 67940, 80027, 87118, 160054, 174236, 217795, 320108, 400135, 435590, 800270, 871180, 1600540, 3441161, 6882322, 13764644, 17205805, 34411610, 68823220]

約数ペア:

[(1, 68823220), (2, 34411610), (4, 17205805), (5, 13764644), (10, 6882322), (20, 3441161), (43, 1600540), (79, 871180), (86, 800270), (158, 435590), (172, 400135), (215, 320108), (316, 217795), (395, 174236), (430, 160054), (790, 87118), (860, 80027), (1013, 67940), (1580, 43559), (2026, 33970), (3397, 20260), (4052, 16985), (5065, 13588), (6794, 10130)]