70142780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 151048800

約数和(自身を除く): 80906020

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 214, 292, 365, 428, 449, 535, 730, 898, 1070, 1460, 1796, 2140, 2245, 4490, 7811, 8980, 15622, 31244, 32777, 39055, 48043, 65554, 78110, 96086, 131108, 156220, 163885, 192172, 240215, 327770, 480430, 655540, 960860, 3507139, 7014278, 14028556, 17535695, 35071390, 70142780]

約数ペア:

[(1, 70142780), (2, 35071390), (4, 17535695), (5, 14028556), (10, 7014278), (20, 3507139), (73, 960860), (107, 655540), (146, 480430), (214, 327770), (292, 240215), (365, 192172), (428, 163885), (449, 156220), (535, 131108), (730, 96086), (898, 78110), (1070, 65554), (1460, 48043), (1796, 39055), (2140, 32777), (2245, 31244), (4490, 15622), (7811, 8980)]