205054940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8623}}^1$

素因数の和:8702

約数の個数: 48

約数和(自身を含む): 456382080

約数和(自身を除く): 251327140

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 8623, 11890, 17246, 23780, 34492, 43115, 86230, 172460, 250067, 353543, 500134, 707086, 1000268, 1250335, 1414172, 1767715, 2500670, 3535430, 5001340, 7070860, 10252747, 20505494, 41010988, 51263735, 102527470, 205054940]

約数ペア:

[(1, 205054940), (2, 102527470), (4, 51263735), (5, 41010988), (10, 20505494), (20, 10252747), (29, 7070860), (41, 5001340), (58, 3535430), (82, 2500670), (116, 1767715), (145, 1414172), (164, 1250335), (205, 1000268), (290, 707086), (410, 500134), (580, 353543), (820, 250067), (1189, 172460), (2378, 86230), (4756, 43115), (5945, 34492), (8623, 23780), (11890, 17246)]