140278060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1229}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 318225600

約数和(自身を除く): 177947540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 878, 1229, 1756, 2195, 2458, 4390, 4916, 5707, 6145, 8780, 11414, 12290, 15977, 22828, 24580, 28535, 31954, 57070, 63908, 79885, 114140, 159770, 319540, 539531, 1079062, 2158124, 2697655, 5395310, 7013903, 10790620, 14027806, 28055612, 35069515, 70139030, 140278060]

約数ペア:

[(1, 140278060), (2, 70139030), (4, 35069515), (5, 28055612), (10, 14027806), (13, 10790620), (20, 7013903), (26, 5395310), (52, 2697655), (65, 2158124), (130, 1079062), (260, 539531), (439, 319540), (878, 159770), (1229, 114140), (1756, 79885), (2195, 63908), (2458, 57070), (4390, 31954), (4916, 28535), (5707, 24580), (6145, 22828), (8780, 15977), (11414, 12290)]