217346380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 465776640

約数和(自身を除く): 248430260

約数列:

[1, 2, 4, 5, 10, 20, 79, 151, 158, 302, 316, 395, 604, 755, 790, 911, 1510, 1580, 1822, 3020, 3644, 4555, 9110, 11929, 18220, 23858, 47716, 59645, 71969, 119290, 137561, 143938, 238580, 275122, 287876, 359845, 550244, 687805, 719690, 1375610, 1439380, 2751220, 10867319, 21734638, 43469276, 54336595, 108673190, 217346380]

約数ペア:

[(1, 217346380), (2, 108673190), (4, 54336595), (5, 43469276), (10, 21734638), (20, 10867319), (79, 2751220), (151, 1439380), (158, 1375610), (302, 719690), (316, 687805), (395, 550244), (604, 359845), (755, 287876), (790, 275122), (911, 238580), (1510, 143938), (1580, 137561), (1822, 119290), (3020, 71969), (3644, 59645), (4555, 47716), (9110, 23858), (11929, 18220)]