1980622780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1\times {\mathrm{1979}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 4200577920

約数和(自身を除く): 2219955140

約数列:

[1, 2, 4, 5, 10, 20, 163, 307, 326, 614, 652, 815, 1228, 1535, 1630, 1979, 3070, 3260, 3958, 6140, 7916, 9895, 19790, 39580, 50041, 100082, 200164, 250205, 322577, 500410, 607553, 645154, 1000820, 1215106, 1290308, 1612885, 2430212, 3037765, 3225770, 6075530, 6451540, 12151060, 99031139, 198062278, 396124556, 495155695, 990311390, 1980622780]

約数ペア:

[(1, 1980622780), (2, 990311390), (4, 495155695), (5, 396124556), (10, 198062278), (20, 99031139), (163, 12151060), (307, 6451540), (326, 6075530), (614, 3225770), (652, 3037765), (815, 2430212), (1228, 1612885), (1535, 1290308), (1630, 1215106), (1979, 1000820), (3070, 645154), (3260, 607553), (3958, 500410), (6140, 322577), (7916, 250205), (9895, 200164), (19790, 100082), (39580, 50041)]