20174271425

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{953}}^1\times {\mathrm{1571}}^1$

素因数の和:2559

約数の個数: 72

約数和(自身を含む): 31799384352

約数和(自身を除く): 11625112927

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 953, 1225, 1571, 1925, 2695, 4765, 6671, 7855, 10483, 10997, 13475, 17281, 23825, 33355, 39275, 46697, 52415, 54985, 73381, 76979, 86405, 120967, 166775, 233485, 262075, 274925, 366905, 384895, 432025, 513667, 604835, 846769, 1167425, 1497163, 1834525, 1924475, 2568335, 3024175, 4233845, 7485815, 10480141, 12841675, 16468793, 21169225, 37429075, 52400705, 73360987, 82343965, 115281551, 262003525, 366804935, 411719825, 576407755, 806970857, 1834024675, 2882038775, 4034854285, 20174271425]

約数ペア:

[(1, 20174271425), (5, 4034854285), (7, 2882038775), (11, 1834024675), (25, 806970857), (35, 576407755), (49, 411719825), (55, 366804935), (77, 262003525), (175, 115281551), (245, 82343965), (275, 73360987), (385, 52400705), (539, 37429075), (953, 21169225), (1225, 16468793), (1571, 12841675), (1925, 10480141), (2695, 7485815), (4765, 4233845), (6671, 3024175), (7855, 2568335), (10483, 1924475), (10997, 1834525), (13475, 1497163), (17281, 1167425), (23825, 846769), (33355, 604835), (39275, 513667), (46697, 432025), (52415, 384895), (54985, 366905), (73381, 274925), (76979, 262075), (86405, 233485), (120967, 166775)]