262005040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1918

約数の個数: 80

約数和(自身を含む): 668769696

約数和(自身を除く): 406764656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 692, 865, 880, 1384, 1721, 1730, 1903, 2768, 3442, 3460, 3806, 6884, 6920, 7612, 8605, 9515, 13768, 13840, 15224, 17210, 18931, 19030, 27536, 30448, 34420, 37862, 38060, 68840, 75724, 76120, 94655, 137680, 151448, 152240, 189310, 297733, 302896, 378620, 595466, 757240, 1190932, 1488665, 1514480, 2381864, 2977330, 3275063, 4763728, 5954660, 6550126, 11909320, 13100252, 16375315, 23818640, 26200504, 32750630, 52401008, 65501260, 131002520, 262005040]

約数ペア:

[(1, 262005040), (2, 131002520), (4, 65501260), (5, 52401008), (8, 32750630), (10, 26200504), (11, 23818640), (16, 16375315), (20, 13100252), (22, 11909320), (40, 6550126), (44, 5954660), (55, 4763728), (80, 3275063), (88, 2977330), (110, 2381864), (173, 1514480), (176, 1488665), (220, 1190932), (346, 757240), (440, 595466), (692, 378620), (865, 302896), (880, 297733), (1384, 189310), (1721, 152240), (1730, 151448), (1903, 137680), (2768, 94655), (3442, 76120), (3460, 75724), (3806, 68840), (6884, 38060), (6920, 37862), (7612, 34420), (8605, 30448), (9515, 27536), (13768, 19030), (13840, 18931), (15224, 17210)]