61489900

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{2269}}^1$

素因数の和:2554

約数の個数: 36

約数和(自身を含む): 133984480

約数和(自身を除く): 72494580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 1084, 1355, 2269, 2710, 4538, 5420, 6775, 9076, 11345, 13550, 22690, 27100, 45380, 56725, 113450, 226900, 614899, 1229798, 2459596, 3074495, 6148990, 12297980, 15372475, 30744950, 61489900]

約数ペア:

[(1, 61489900), (2, 30744950), (4, 15372475), (5, 12297980), (10, 6148990), (20, 3074495), (25, 2459596), (50, 1229798), (100, 614899), (271, 226900), (542, 113450), (1084, 56725), (1355, 45380), (2269, 27100), (2710, 22690), (4538, 13550), (5420, 11345), (6775, 9076)]