620804740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{2617}}^1$

素因数の和:3064

約数の個数: 48

約数和(自身を含む): 1352458800

約数和(自身を除く): 731654060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 409, 580, 818, 1636, 2045, 2617, 4090, 5234, 8180, 10468, 11861, 13085, 23722, 26170, 47444, 52340, 59305, 75893, 118610, 151786, 237220, 303572, 379465, 758930, 1070353, 1517860, 2140706, 4281412, 5351765, 10703530, 21407060, 31040237, 62080474, 124160948, 155201185, 310402370, 620804740]

約数ペア:

[(1, 620804740), (2, 310402370), (4, 155201185), (5, 124160948), (10, 62080474), (20, 31040237), (29, 21407060), (58, 10703530), (116, 5351765), (145, 4281412), (290, 2140706), (409, 1517860), (580, 1070353), (818, 758930), (1636, 379465), (2045, 303572), (2617, 237220), (4090, 151786), (5234, 118610), (8180, 75893), (10468, 59305), (11861, 52340), (13085, 47444), (23722, 26170)]