31018460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 71457120

約数和(自身を除く): 40438660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277, 509, 554, 1018, 1108, 1385, 2036, 2545, 2770, 3047, 5090, 5540, 5599, 6094, 10180, 11198, 12188, 15235, 22396, 27995, 30470, 55990, 60940, 111980, 140993, 281986, 563972, 704965, 1409930, 1550923, 2819860, 3101846, 6203692, 7754615, 15509230, 31018460]

約数ペア:

[(1, 31018460), (2, 15509230), (4, 7754615), (5, 6203692), (10, 3101846), (11, 2819860), (20, 1550923), (22, 1409930), (44, 704965), (55, 563972), (110, 281986), (220, 140993), (277, 111980), (509, 60940), (554, 55990), (1018, 30470), (1108, 27995), (1385, 22396), (2036, 15235), (2545, 12188), (2770, 11198), (3047, 10180), (5090, 6094), (5540, 5599)]