285969475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 410688000

約数和(自身を除く): 124718525

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 229, 239, 275, 475, 1045, 1145, 1195, 2519, 2629, 4351, 4541, 5225, 5725, 5975, 12595, 13145, 21755, 22705, 47861, 49951, 54731, 62975, 65725, 108775, 113525, 239305, 249755, 273655, 602041, 1039889, 1196525, 1248775, 1368275, 3010205, 5199445, 11438779, 15051025, 25997225, 57193895, 285969475]

約数ペア:

[(1, 285969475), (5, 57193895), (11, 25997225), (19, 15051025), (25, 11438779), (55, 5199445), (95, 3010205), (209, 1368275), (229, 1248775), (239, 1196525), (275, 1039889), (475, 602041), (1045, 273655), (1145, 249755), (1195, 239305), (2519, 113525), (2629, 108775), (4351, 65725), (4541, 62975), (5225, 54731), (5725, 49951), (5975, 47861), (12595, 22705), (13145, 21755)]