28939900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{26309}}^1$

素因数の和:26334

約数の個数: 36

約数和(自身を含む): 68511240

約数和(自身を除く): 39571340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 26309, 52618, 105236, 131545, 263090, 289399, 526180, 578798, 657725, 1157596, 1315450, 1446995, 2630900, 2893990, 5787980, 7234975, 14469950, 28939900]

約数ペア:

[(1, 28939900), (2, 14469950), (4, 7234975), (5, 5787980), (10, 2893990), (11, 2630900), (20, 1446995), (22, 1315450), (25, 1157596), (44, 657725), (50, 578798), (55, 526180), (100, 289399), (110, 263090), (220, 131545), (275, 105236), (550, 52618), (1100, 26309)]