215480990

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{293}}^2$

素因数の和:844

約数の個数: 24

約数和(自身を含む): 390744648

約数和(自身を除く): 175263658

約数列:

[1, 2, 5, 10, 251, 293, 502, 586, 1255, 1465, 2510, 2930, 73543, 85849, 147086, 171698, 367715, 429245, 735430, 858490, 21548099, 43096198, 107740495, 215480990]

約数ペア:

[(1, 215480990), (2, 107740495), (5, 43096198), (10, 21548099), (251, 858490), (293, 735430), (502, 429245), (586, 367715), (1255, 171698), (1465, 147086), (2510, 85849), (2930, 73543)]