3750220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 8467200

約数和(自身を除く): 4716980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 139, 142, 190, 278, 284, 355, 380, 556, 695, 710, 1349, 1390, 1420, 2641, 2698, 2780, 5282, 5396, 6745, 9869, 10564, 13205, 13490, 19738, 26410, 26980, 39476, 49345, 52820, 98690, 187511, 197380, 375022, 750044, 937555, 1875110, 3750220]

約数ペア:

[(1, 3750220), (2, 1875110), (4, 937555), (5, 750044), (10, 375022), (19, 197380), (20, 187511), (38, 98690), (71, 52820), (76, 49345), (95, 39476), (139, 26980), (142, 26410), (190, 19738), (278, 13490), (284, 13205), (355, 10564), (380, 9869), (556, 6745), (695, 5396), (710, 5282), (1349, 2780), (1390, 2698), (1420, 2641)]