128887340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2053}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 280888608

約数和(自身を除く): 152001268

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1460, 2053, 3139, 4106, 6278, 8212, 10265, 12556, 15695, 20530, 31390, 41060, 62780, 88279, 149869, 176558, 299738, 353116, 441395, 599476, 749345, 882790, 1498690, 1765580, 2997380, 6444367, 12888734, 25777468, 32221835, 64443670, 128887340]

約数ペア:

[(1, 128887340), (2, 64443670), (4, 32221835), (5, 25777468), (10, 12888734), (20, 6444367), (43, 2997380), (73, 1765580), (86, 1498690), (146, 882790), (172, 749345), (215, 599476), (292, 441395), (365, 353116), (430, 299738), (730, 176558), (860, 149869), (1460, 88279), (2053, 62780), (3139, 41060), (4106, 31390), (6278, 20530), (8212, 15695), (10265, 12556)]