30356920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68993}}^1$

素因数の和:69015

約数の個数: 32

約数和(自身を含む): 74513520

約数和(自身を除く): 44156600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68993, 137986, 275972, 344965, 551944, 689930, 758923, 1379860, 1517846, 2759720, 3035692, 3794615, 6071384, 7589230, 15178460, 30356920]

約数ペア:

[(1, 30356920), (2, 15178460), (4, 7589230), (5, 6071384), (8, 3794615), (10, 3035692), (11, 2759720), (20, 1517846), (22, 1379860), (40, 758923), (44, 689930), (55, 551944), (88, 344965), (110, 275972), (220, 137986), (440, 68993)]