428200850

素因数分解:

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

素因数の和:10152

約数の個数: 72

約数和(自身を含む): 1000602624

約数和(自身を除く): 572401774

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 154, 175, 242, 275, 350, 385, 550, 605, 770, 847, 1210, 1694, 1925, 3025, 3850, 4235, 6050, 8470, 10111, 20222, 21175, 42350, 50555, 70777, 101110, 111221, 141554, 222442, 252775, 353885, 505550, 556105, 707770, 778547, 1112210, 1223431, 1557094, 1769425, 2446862, 2780525, 3538850, 3892735, 5561050, 6117155, 7785470, 8564017, 12234310, 17128034, 19463675, 30585775, 38927350, 42820085, 61171550, 85640170, 214100425, 428200850]

約数ペア:

[(1, 428200850), (2, 214100425), (5, 85640170), (7, 61171550), (10, 42820085), (11, 38927350), (14, 30585775), (22, 19463675), (25, 17128034), (35, 12234310), (50, 8564017), (55, 7785470), (70, 6117155), (77, 5561050), (110, 3892735), (121, 3538850), (154, 2780525), (175, 2446862), (242, 1769425), (275, 1557094), (350, 1223431), (385, 1112210), (550, 778547), (605, 707770), (770, 556105), (847, 505550), (1210, 353885), (1694, 252775), (1925, 222442), (3025, 141554), (3850, 111221), (4235, 101110), (6050, 70777), (8470, 50555), (10111, 42350), (20222, 21175)]