201421675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 329978880

約数和(自身を除く): 128557205

約数列:

[1, 5, 7, 13, 25, 29, 35, 43, 65, 71, 91, 145, 175, 203, 215, 301, 325, 355, 377, 455, 497, 559, 725, 923, 1015, 1075, 1247, 1505, 1775, 1885, 2059, 2275, 2485, 2639, 2795, 3053, 3913, 4615, 5075, 6235, 6461, 7525, 8729, 9425, 10295, 12425, 13195, 13975, 14413, 15265, 16211, 19565, 21371, 23075, 26767, 31175, 32305, 39689, 43645, 51475, 65975, 72065, 76325, 81055, 88537, 97825, 106855, 113477, 133835, 161525, 187369, 198445, 218225, 277823, 360325, 405275, 442685, 534275, 567385, 619759, 669175, 936845, 992225, 1150981, 1389115, 2213425, 2836925, 3098795, 4684225, 5754905, 6945575, 8056867, 15493975, 28774525, 40284335, 201421675]

約数ペア:

[(1, 201421675), (5, 40284335), (7, 28774525), (13, 15493975), (25, 8056867), (29, 6945575), (35, 5754905), (43, 4684225), (65, 3098795), (71, 2836925), (91, 2213425), (145, 1389115), (175, 1150981), (203, 992225), (215, 936845), (301, 669175), (325, 619759), (355, 567385), (377, 534275), (455, 442685), (497, 405275), (559, 360325), (725, 277823), (923, 218225), (1015, 198445), (1075, 187369), (1247, 161525), (1505, 133835), (1775, 113477), (1885, 106855), (2059, 97825), (2275, 88537), (2485, 81055), (2639, 76325), (2795, 72065), (3053, 65975), (3913, 51475), (4615, 43645), (5075, 39689), (6235, 32305), (6461, 31175), (7525, 26767), (8729, 23075), (9425, 21371), (10295, 19565), (12425, 16211), (13195, 15265), (13975, 14413)]