139875820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12647}}^1$

素因数の和:12742

約数の個数: 48

約数和(自身を含む): 339978240

約数和(自身を除く): 200102420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 12647, 25294, 50588, 63235, 88529, 126470, 177058, 252940, 354116, 442645, 885290, 999113, 1770580, 1998226, 3996452, 4995565, 6993791, 9991130, 13987582, 19982260, 27975164, 34968955, 69937910, 139875820]

約数ペア:

[(1, 139875820), (2, 69937910), (4, 34968955), (5, 27975164), (7, 19982260), (10, 13987582), (14, 9991130), (20, 6993791), (28, 4995565), (35, 3996452), (70, 1998226), (79, 1770580), (140, 999113), (158, 885290), (316, 442645), (395, 354116), (553, 252940), (790, 177058), (1106, 126470), (1580, 88529), (2212, 63235), (2765, 50588), (5530, 25294), (11060, 12647)]