208500080405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{3329}}^1$

素因数の和:3594

約数の個数: 64

約数和(自身を含む): 269504625600

約数和(自身を除く): 61004545195

約数列:

[1, 5, 29, 61, 73, 97, 145, 305, 365, 485, 1769, 2117, 2813, 3329, 4453, 5917, 7081, 8845, 10585, 14065, 16645, 22265, 29585, 35405, 96541, 129137, 171593, 203069, 205349, 243017, 322913, 431941, 482705, 645685, 857965, 1015345, 1026745, 1215085, 1614565, 2159705, 5889001, 7047493, 9364477, 12526289, 14824037, 19697693, 23572649, 29445005, 35237465, 46822385, 62631445, 74120185, 98488465, 117863245, 429897073, 571233097, 683606821, 1437931589, 2149485365, 2856165485, 3418034105, 7189657945, 41700016081, 208500080405]

約数ペア:

[(1, 208500080405), (5, 41700016081), (29, 7189657945), (61, 3418034105), (73, 2856165485), (97, 2149485365), (145, 1437931589), (305, 683606821), (365, 571233097), (485, 429897073), (1769, 117863245), (2117, 98488465), (2813, 74120185), (3329, 62631445), (4453, 46822385), (5917, 35237465), (7081, 29445005), (8845, 23572649), (10585, 19697693), (14065, 14824037), (16645, 12526289), (22265, 9364477), (29585, 7047493), (35405, 5889001), (96541, 2159705), (129137, 1614565), (171593, 1215085), (203069, 1026745), (205349, 1015345), (243017, 857965), (322913, 645685), (431941, 482705)]