204396990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1279}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 561807360

約数和(自身を除く): 357410370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 761, 1279, 1522, 2283, 2558, 3805, 3837, 4566, 5327, 6395, 7610, 7674, 8953, 10654, 11415, 12790, 15981, 17906, 19185, 22830, 26635, 26859, 31962, 38370, 44765, 53270, 53718, 79905, 89530, 134295, 159810, 268590, 973319, 1946638, 2919957, 4866595, 5839914, 6813233, 9733190, 13626466, 14599785, 20439699, 29199570, 34066165, 40879398, 68132330, 102198495, 204396990]

約数ペア:

[(1, 204396990), (2, 102198495), (3, 68132330), (5, 40879398), (6, 34066165), (7, 29199570), (10, 20439699), (14, 14599785), (15, 13626466), (21, 9733190), (30, 6813233), (35, 5839914), (42, 4866595), (70, 2919957), (105, 1946638), (210, 973319), (761, 268590), (1279, 159810), (1522, 134295), (2283, 89530), (2558, 79905), (3805, 53718), (3837, 53270), (4566, 44765), (5327, 38370), (6395, 31962), (7610, 26859), (7674, 26635), (8953, 22830), (10654, 19185), (11415, 17906), (12790, 15981)]