208407780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{23629}}^1$

素因数の和:23658

約数の個数: 108

約数和(自身を含む): 735412860

約数和(自身を除く): 527005080

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 23629, 47258, 70887, 94516, 118145, 141774, 165403, 212661, 236290, 283548, 330806, 354435, 425322, 472580, 496209, 661612, 708870, 827015, 850644, 992418, 1063305, 1157821, 1417740, 1488627, 1654030, 1984836, 2126610, 2315642, 2481045, 2977254, 3308060, 3473463, 4253220, 4631284, 4962090, 5789105, 5954508, 6946926, 7443135, 9924180, 10420389, 11578210, 13893852, 14886270, 17367315, 20840778, 23156420, 29772540, 34734630, 41681556, 52101945, 69469260, 104203890, 208407780]

約数ペア:

[(1, 208407780), (2, 104203890), (3, 69469260), (4, 52101945), (5, 41681556), (6, 34734630), (7, 29772540), (9, 23156420), (10, 20840778), (12, 17367315), (14, 14886270), (15, 13893852), (18, 11578210), (20, 10420389), (21, 9924180), (28, 7443135), (30, 6946926), (35, 5954508), (36, 5789105), (42, 4962090), (45, 4631284), (49, 4253220), (60, 3473463), (63, 3308060), (70, 2977254), (84, 2481045), (90, 2315642), (98, 2126610), (105, 1984836), (126, 1654030), (140, 1488627), (147, 1417740), (180, 1157821), (196, 1063305), (210, 992418), (245, 850644), (252, 827015), (294, 708870), (315, 661612), (420, 496209), (441, 472580), (490, 425322), (588, 354435), (630, 330806), (735, 283548), (882, 236290), (980, 212661), (1260, 165403), (1470, 141774), (1764, 118145), (2205, 94516), (2940, 70887), (4410, 47258), (8820, 23629)]