330762020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{5417}}^1$

素因数の和:5540

約数の個数: 48

約数和(自身を含む): 720897408

約数和(自身を除く): 390135388

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1420, 3053, 5417, 6106, 10834, 12212, 15265, 21668, 27085, 30530, 54170, 61060, 108340, 232931, 384607, 465862, 769214, 931724, 1164655, 1538428, 1923035, 2329310, 3846070, 4658620, 7692140, 16538101, 33076202, 66152404, 82690505, 165381010, 330762020]

約数ペア:

[(1, 330762020), (2, 165381010), (4, 82690505), (5, 66152404), (10, 33076202), (20, 16538101), (43, 7692140), (71, 4658620), (86, 3846070), (142, 2329310), (172, 1923035), (215, 1538428), (284, 1164655), (355, 931724), (430, 769214), (710, 465862), (860, 384607), (1420, 232931), (3053, 108340), (5417, 61060), (6106, 54170), (10834, 30530), (12212, 27085), (15265, 21668)]