17955350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 40177488

約数和(自身を除く): 22222138

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 61, 70, 122, 145, 175, 203, 290, 305, 350, 406, 427, 610, 725, 841, 854, 1015, 1450, 1525, 1682, 1769, 2030, 2135, 3050, 3538, 4205, 4270, 5075, 5887, 8410, 8845, 10150, 10675, 11774, 12383, 17690, 21025, 21350, 24766, 29435, 42050, 44225, 51301, 58870, 61915, 88450, 102602, 123830, 147175, 256505, 294350, 309575, 359107, 513010, 619150, 718214, 1282525, 1795535, 2565050, 3591070, 8977675, 17955350]

約数ペア:

[(1, 17955350), (2, 8977675), (5, 3591070), (7, 2565050), (10, 1795535), (14, 1282525), (25, 718214), (29, 619150), (35, 513010), (50, 359107), (58, 309575), (61, 294350), (70, 256505), (122, 147175), (145, 123830), (175, 102602), (203, 88450), (290, 61915), (305, 58870), (350, 51301), (406, 44225), (427, 42050), (610, 29435), (725, 24766), (841, 21350), (854, 21025), (1015, 17690), (1450, 12383), (1525, 11774), (1682, 10675), (1769, 10150), (2030, 8845), (2135, 8410), (3050, 5887), (3538, 5075), (4205, 4270)]