90999940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{293}}^2$

素因数の和:648

約数の個数: 36

約数和(自身を含む): 195372324

約数和(自身を除く): 104372384

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 293, 530, 586, 1060, 1172, 1465, 2930, 5860, 15529, 31058, 62116, 77645, 85849, 155290, 171698, 310580, 343396, 429245, 858490, 1716980, 4549997, 9099994, 18199988, 22749985, 45499970, 90999940]

約数ペア:

[(1, 90999940), (2, 45499970), (4, 22749985), (5, 18199988), (10, 9099994), (20, 4549997), (53, 1716980), (106, 858490), (212, 429245), (265, 343396), (293, 310580), (530, 171698), (586, 155290), (1060, 85849), (1172, 77645), (1465, 62116), (2930, 31058), (5860, 15529)]