215536210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{1997}}^1$

素因数の和:2298

約数の個数: 32

約数和(自身を含む): 398768832

約数和(自身を除く): 183232622

約数列:

[1, 2, 5, 10, 43, 86, 215, 251, 430, 502, 1255, 1997, 2510, 3994, 9985, 10793, 19970, 21586, 53965, 85871, 107930, 171742, 429355, 501247, 858710, 1002494, 2506235, 5012470, 21553621, 43107242, 107768105, 215536210]

約数ペア:

[(1, 215536210), (2, 107768105), (5, 43107242), (10, 21553621), (43, 5012470), (86, 2506235), (215, 1002494), (251, 858710), (430, 501247), (502, 429355), (1255, 171742), (1997, 107930), (2510, 85871), (3994, 53965), (9985, 21586), (10793, 19970)]