278291370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1325197}}^1$

素因数の和:1325214

約数の個数: 32

約数和(自身を含む): 763314048

約数和(自身を除く): 485022678

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1325197, 2650394, 3975591, 6625985, 7951182, 9276379, 13251970, 18552758, 19877955, 27829137, 39755910, 46381895, 55658274, 92763790, 139145685, 278291370]

約数ペア:

[(1, 278291370), (2, 139145685), (3, 92763790), (5, 55658274), (6, 46381895), (7, 39755910), (10, 27829137), (14, 19877955), (15, 18552758), (21, 13251970), (30, 9276379), (35, 7951182), (42, 6625985), (70, 3975591), (105, 2650394), (210, 1325197)]