209427540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4937}}^1$

素因数の和:5057

約数の個数: 96

約数和(自身を含む): 676940544

約数和(自身を除く): 467513004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1010, 1212, 1414, 1515, 2020, 2121, 2828, 3030, 3535, 4242, 4937, 6060, 7070, 8484, 9874, 10605, 14140, 14811, 19748, 21210, 24685, 29622, 34559, 42420, 49370, 59244, 69118, 74055, 98740, 103677, 138236, 148110, 172795, 207354, 296220, 345590, 414708, 498637, 518385, 691180, 997274, 1036770, 1495911, 1994548, 2073540, 2493185, 2991822, 3490459, 4986370, 5983644, 6980918, 7479555, 9972740, 10471377, 13961836, 14959110, 17452295, 20942754, 29918220, 34904590, 41885508, 52356885, 69809180, 104713770, 209427540]

約数ペア:

[(1, 209427540), (2, 104713770), (3, 69809180), (4, 52356885), (5, 41885508), (6, 34904590), (7, 29918220), (10, 20942754), (12, 17452295), (14, 14959110), (15, 13961836), (20, 10471377), (21, 9972740), (28, 7479555), (30, 6980918), (35, 5983644), (42, 4986370), (60, 3490459), (70, 2991822), (84, 2493185), (101, 2073540), (105, 1994548), (140, 1495911), (202, 1036770), (210, 997274), (303, 691180), (404, 518385), (420, 498637), (505, 414708), (606, 345590), (707, 296220), (1010, 207354), (1212, 172795), (1414, 148110), (1515, 138236), (2020, 103677), (2121, 98740), (2828, 74055), (3030, 69118), (3535, 59244), (4242, 49370), (4937, 42420), (6060, 34559), (7070, 29622), (8484, 24685), (9874, 21210), (10605, 19748), (14140, 14811)]