214727480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1217}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 528806880

約数和(自身を除く): 314079400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 401, 440, 802, 1217, 1604, 2005, 2434, 3208, 4010, 4411, 4868, 6085, 8020, 8822, 9736, 12170, 13387, 16040, 17644, 22055, 24340, 26774, 35288, 44110, 48680, 53548, 66935, 88220, 107096, 133870, 176440, 267740, 488017, 535480, 976034, 1952068, 2440085, 3904136, 4880170, 5368187, 9760340, 10736374, 19520680, 21472748, 26840935, 42945496, 53681870, 107363740, 214727480]

約数ペア:

[(1, 214727480), (2, 107363740), (4, 53681870), (5, 42945496), (8, 26840935), (10, 21472748), (11, 19520680), (20, 10736374), (22, 9760340), (40, 5368187), (44, 4880170), (55, 3904136), (88, 2440085), (110, 1952068), (220, 976034), (401, 535480), (440, 488017), (802, 267740), (1217, 176440), (1604, 133870), (2005, 107096), (2434, 88220), (3208, 66935), (4010, 53548), (4411, 48680), (4868, 44110), (6085, 35288), (8020, 26774), (8822, 24340), (9736, 22055), (12170, 17644), (13387, 16040)]