77734540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 190935360

約数和(自身を除く): 113200820

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 130, 170, 172, 215, 221, 260, 340, 409, 430, 442, 559, 731, 818, 860, 884, 1105, 1118, 1462, 1636, 2045, 2210, 2236, 2795, 2924, 3655, 4090, 4420, 5317, 5590, 6953, 7310, 8180, 9503, 10634, 11180, 13906, 14620, 17587, 19006, 21268, 26585, 27812, 34765, 35174, 38012, 47515, 53170, 69530, 70348, 87935, 90389, 95030, 106340, 139060, 175870, 180778, 190060, 228631, 298979, 351740, 361556, 451945, 457262, 597958, 903890, 914524, 1143155, 1195916, 1494895, 1807780, 2286310, 2989790, 3886727, 4572620, 5979580, 7773454, 15546908, 19433635, 38867270, 77734540]

約数ペア:

[(1, 77734540), (2, 38867270), (4, 19433635), (5, 15546908), (10, 7773454), (13, 5979580), (17, 4572620), (20, 3886727), (26, 2989790), (34, 2286310), (43, 1807780), (52, 1494895), (65, 1195916), (68, 1143155), (85, 914524), (86, 903890), (130, 597958), (170, 457262), (172, 451945), (215, 361556), (221, 351740), (260, 298979), (340, 228631), (409, 190060), (430, 180778), (442, 175870), (559, 139060), (731, 106340), (818, 95030), (860, 90389), (884, 87935), (1105, 70348), (1118, 69530), (1462, 53170), (1636, 47515), (2045, 38012), (2210, 35174), (2236, 34765), (2795, 27812), (2924, 26585), (3655, 21268), (4090, 19006), (4420, 17587), (5317, 14620), (5590, 13906), (6953, 11180), (7310, 10634), (8180, 9503)]