780549910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{10691}}^1$

素因数の和:10861

約数の個数: 48

約数和(自身を含む): 1645498800

約数和(自身を除く): 864948890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 149, 245, 298, 490, 745, 1043, 1490, 2086, 5215, 7301, 10430, 10691, 14602, 21382, 36505, 53455, 73010, 74837, 106910, 149674, 374185, 523859, 748370, 1047718, 1592959, 2619295, 3185918, 5238590, 7964795, 11150713, 15929590, 22301426, 55753565, 78054991, 111507130, 156109982, 390274955, 780549910]

約数ペア:

[(1, 780549910), (2, 390274955), (5, 156109982), (7, 111507130), (10, 78054991), (14, 55753565), (35, 22301426), (49, 15929590), (70, 11150713), (98, 7964795), (149, 5238590), (245, 3185918), (298, 2619295), (490, 1592959), (745, 1047718), (1043, 748370), (1490, 523859), (2086, 374185), (5215, 149674), (7301, 106910), (10430, 74837), (10691, 73010), (14602, 53455), (21382, 36505)]