171404240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{997}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 457387392

約数和(自身を除く): 285983152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 997, 1228, 1535, 1994, 2149, 2456, 3070, 3988, 4298, 4912, 4985, 6140, 6979, 7976, 8596, 9970, 10745, 12280, 13958, 15952, 17192, 19940, 21490, 24560, 27916, 34384, 34895, 39880, 42980, 55832, 69790, 79760, 85960, 111664, 139580, 171920, 279160, 306079, 558320, 612158, 1224316, 1530395, 2142553, 2448632, 3060790, 4285106, 4897264, 6121580, 8570212, 10712765, 12243160, 17140424, 21425530, 24486320, 34280848, 42851060, 85702120, 171404240]

約数ペア:

[(1, 171404240), (2, 85702120), (4, 42851060), (5, 34280848), (7, 24486320), (8, 21425530), (10, 17140424), (14, 12243160), (16, 10712765), (20, 8570212), (28, 6121580), (35, 4897264), (40, 4285106), (56, 3060790), (70, 2448632), (80, 2142553), (112, 1530395), (140, 1224316), (280, 612158), (307, 558320), (560, 306079), (614, 279160), (997, 171920), (1228, 139580), (1535, 111664), (1994, 85960), (2149, 79760), (2456, 69790), (3070, 55832), (3988, 42980), (4298, 39880), (4912, 34895), (4985, 34384), (6140, 27916), (6979, 24560), (7976, 21490), (8596, 19940), (9970, 17192), (10745, 15952), (12280, 13958)]