188839640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{429181}}^1$

素因数の和:429203

約数の個数: 32

約数和(自身を含む): 463516560

約数和(自身を除く): 274676920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 429181, 858362, 1716724, 2145905, 3433448, 4291810, 4720991, 8583620, 9441982, 17167240, 18883964, 23604955, 37767928, 47209910, 94419820, 188839640]

約数ペア:

[(1, 188839640), (2, 94419820), (4, 47209910), (5, 37767928), (8, 23604955), (10, 18883964), (11, 17167240), (20, 9441982), (22, 8583620), (40, 4720991), (44, 4291810), (55, 3433448), (88, 2145905), (110, 1716724), (220, 858362), (440, 429181)]