278730053890

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3257}}^1\times {\mathrm{43441}}^1$

素因数の和:46902

約数の個数: 32

約数和(自身を含む): 504427304304

約数和(自身を除く): 225697250414

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 3257, 6514, 16285, 32570, 43441, 86882, 217205, 434410, 641629, 1283258, 3208145, 6416290, 8557877, 17115754, 42789385, 85578770, 141487337, 282974674, 707436685, 1414873370, 27873005389, 55746010778, 139365026945, 278730053890]

約数ペア:

[(1, 278730053890), (2, 139365026945), (5, 55746010778), (10, 27873005389), (197, 1414873370), (394, 707436685), (985, 282974674), (1970, 141487337), (3257, 85578770), (6514, 42789385), (16285, 17115754), (32570, 8557877), (43441, 6416290), (86882, 3208145), (217205, 1283258), (434410, 641629)]