205917690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21517}}^1$

素因数の和:21567

約数の個数: 64

約数和(自身を含む): 557746560

約数和(自身を除く): 351828870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 3190, 4785, 9570, 21517, 43034, 64551, 107585, 129102, 215170, 236687, 322755, 473374, 623993, 645510, 710061, 1183435, 1247986, 1420122, 1871979, 2366870, 3119965, 3550305, 3743958, 6239930, 6863923, 7100610, 9359895, 13727846, 18719790, 20591769, 34319615, 41183538, 68639230, 102958845, 205917690]

約数ペア:

[(1, 205917690), (2, 102958845), (3, 68639230), (5, 41183538), (6, 34319615), (10, 20591769), (11, 18719790), (15, 13727846), (22, 9359895), (29, 7100610), (30, 6863923), (33, 6239930), (55, 3743958), (58, 3550305), (66, 3119965), (87, 2366870), (110, 1871979), (145, 1420122), (165, 1247986), (174, 1183435), (290, 710061), (319, 645510), (330, 623993), (435, 473374), (638, 322755), (870, 236687), (957, 215170), (1595, 129102), (1914, 107585), (3190, 64551), (4785, 43034), (9570, 21517)]