257465180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{5011}}^1$

素因数の和:5394

約数の個数: 48

約数和(自身を含む): 619723776

約数和(自身を除く): 362258596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 734, 1468, 1835, 2569, 3670, 5011, 5138, 7340, 10022, 10276, 12845, 20044, 25055, 25690, 35077, 50110, 51380, 70154, 100220, 140308, 175385, 350770, 701540, 1839037, 3678074, 7356148, 9195185, 12873259, 18390370, 25746518, 36780740, 51493036, 64366295, 128732590, 257465180]

約数ペア:

[(1, 257465180), (2, 128732590), (4, 64366295), (5, 51493036), (7, 36780740), (10, 25746518), (14, 18390370), (20, 12873259), (28, 9195185), (35, 7356148), (70, 3678074), (140, 1839037), (367, 701540), (734, 350770), (1468, 175385), (1835, 140308), (2569, 100220), (3670, 70154), (5011, 51380), (5138, 50110), (7340, 35077), (10022, 25690), (10276, 25055), (12845, 20044)]