74567780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 202177920

約数和(自身を除く): 127610140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 97, 119, 133, 140, 170, 190, 194, 238, 266, 289, 323, 340, 380, 388, 476, 485, 532, 578, 595, 646, 665, 679, 970, 1156, 1190, 1292, 1330, 1358, 1445, 1615, 1649, 1843, 1940, 2023, 2261, 2380, 2660, 2716, 2890, 3230, 3298, 3395, 3686, 4046, 4522, 5491, 5780, 6460, 6596, 6790, 7372, 8092, 8245, 9044, 9215, 10115, 10982, 11305, 11543, 12901, 13580, 16490, 18430, 20230, 21964, 22610, 23086, 25802, 27455, 28033, 31331, 32980, 36860, 38437, 40460, 45220, 46172, 51604, 54910, 56066, 57715, 62662, 64505, 76874, 109820, 112132, 115430, 125324, 129010, 140165, 153748, 156655, 192185, 196231, 219317, 230860, 258020, 280330, 313310, 384370, 392462, 438634, 532627, 560660, 626620, 768740, 784924, 877268, 981155, 1065254, 1096585, 1962310, 2130508, 2193170, 2663135, 3728389, 3924620, 4386340, 5326270, 7456778, 10652540, 14913556, 18641945, 37283890, 74567780]

約数ペア:

[(1, 74567780), (2, 37283890), (4, 18641945), (5, 14913556), (7, 10652540), (10, 7456778), (14, 5326270), (17, 4386340), (19, 3924620), (20, 3728389), (28, 2663135), (34, 2193170), (35, 2130508), (38, 1962310), (68, 1096585), (70, 1065254), (76, 981155), (85, 877268), (95, 784924), (97, 768740), (119, 626620), (133, 560660), (140, 532627), (170, 438634), (190, 392462), (194, 384370), (238, 313310), (266, 280330), (289, 258020), (323, 230860), (340, 219317), (380, 196231), (388, 192185), (476, 156655), (485, 153748), (532, 140165), (578, 129010), (595, 125324), (646, 115430), (665, 112132), (679, 109820), (970, 76874), (1156, 64505), (1190, 62662), (1292, 57715), (1330, 56066), (1358, 54910), (1445, 51604), (1615, 46172), (1649, 45220), (1843, 40460), (1940, 38437), (2023, 36860), (2261, 32980), (2380, 31331), (2660, 28033), (2716, 27455), (2890, 25802), (3230, 23086), (3298, 22610), (3395, 21964), (3686, 20230), (4046, 18430), (4522, 16490), (5491, 13580), (5780, 12901), (6460, 11543), (6596, 11305), (6790, 10982), (7372, 10115), (8092, 9215), (8245, 9044)]