498977360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4523}}^1$

素因数の和:4740

約数の個数: 80

約数和(自身を含む): 1332878976

約数和(自身を除く): 833901616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1379, 1576, 1970, 2758, 3152, 3940, 4523, 5516, 6895, 7880, 9046, 11032, 13790, 15760, 18092, 22064, 22615, 27580, 31661, 36184, 45230, 55160, 63322, 72368, 90460, 110320, 126644, 158305, 180920, 253288, 316610, 361840, 506576, 633220, 891031, 1266440, 1782062, 2532880, 3564124, 4455155, 6237217, 7128248, 8910310, 12474434, 14256496, 17820620, 24948868, 31186085, 35641240, 49897736, 62372170, 71282480, 99795472, 124744340, 249488680, 498977360]

約数ペア:

[(1, 498977360), (2, 249488680), (4, 124744340), (5, 99795472), (7, 71282480), (8, 62372170), (10, 49897736), (14, 35641240), (16, 31186085), (20, 24948868), (28, 17820620), (35, 14256496), (40, 12474434), (56, 8910310), (70, 7128248), (80, 6237217), (112, 4455155), (140, 3564124), (197, 2532880), (280, 1782062), (394, 1266440), (560, 891031), (788, 633220), (985, 506576), (1379, 361840), (1576, 316610), (1970, 253288), (2758, 180920), (3152, 158305), (3940, 126644), (4523, 110320), (5516, 90460), (6895, 72368), (7880, 63322), (9046, 55160), (11032, 45230), (13790, 36184), (15760, 31661), (18092, 27580), (22064, 22615)]