171280340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{10111}}^1$

素因数の和:10149

約数の個数: 72

約数和(自身を含む): 451885056

約数和(自身を除く): 280604716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 10111, 16940, 20222, 40444, 50555, 70777, 101110, 111221, 141554, 202220, 222442, 283108, 353885, 444884, 556105, 707770, 778547, 1112210, 1223431, 1415540, 1557094, 2224420, 2446862, 3114188, 3892735, 4893724, 6117155, 7785470, 8564017, 12234310, 15570940, 17128034, 24468620, 34256068, 42820085, 85640170, 171280340]

約数ペア:

[(1, 171280340), (2, 85640170), (4, 42820085), (5, 34256068), (7, 24468620), (10, 17128034), (11, 15570940), (14, 12234310), (20, 8564017), (22, 7785470), (28, 6117155), (35, 4893724), (44, 3892735), (55, 3114188), (70, 2446862), (77, 2224420), (110, 1557094), (121, 1415540), (140, 1223431), (154, 1112210), (220, 778547), (242, 707770), (308, 556105), (385, 444884), (484, 353885), (605, 283108), (770, 222442), (847, 202220), (1210, 141554), (1540, 111221), (1694, 101110), (2420, 70777), (3388, 50555), (4235, 40444), (8470, 20222), (10111, 16940)]