339946990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{28591}}^1$

素因数の和:28668

約数の個数: 32

約数和(自身を含む): 648466560

約数和(自身を除く): 308519570

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 2378, 5945, 11890, 28591, 57182, 142955, 285910, 829139, 1172231, 1658278, 2344462, 4145695, 5861155, 8291390, 11722310, 33994699, 67989398, 169973495, 339946990]

約数ペア:

[(1, 339946990), (2, 169973495), (5, 67989398), (10, 33994699), (29, 11722310), (41, 8291390), (58, 5861155), (82, 4145695), (145, 2344462), (205, 1658278), (290, 1172231), (410, 829139), (1189, 285910), (2378, 142955), (5945, 57182), (11890, 28591)]