253492420

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{12973}}^1$

素因数の和:13959

約数の個数: 24

約数和(自身を含む): 532920024

約数和(自身を除く): 279427604

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 12973, 19540, 25946, 51892, 64865, 129730, 259460, 12674621, 25349242, 50698484, 63373105, 126746210, 253492420]

約数ペア:

[(1, 253492420), (2, 126746210), (4, 63373105), (5, 50698484), (10, 25349242), (20, 12674621), (977, 259460), (1954, 129730), (3908, 64865), (4885, 51892), (9770, 25946), (12973, 19540)]