142983740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2707}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 318460800

約数和(自身を除く): 175477060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2707, 2780, 5282, 5414, 10564, 10828, 13205, 13535, 26410, 27070, 51433, 52820, 54140, 102866, 205732, 257165, 376273, 514330, 752546, 1028660, 1505092, 1881365, 3762730, 7149187, 7525460, 14298374, 28596748, 35745935, 71491870, 142983740]

約数ペア:

[(1, 142983740), (2, 71491870), (4, 35745935), (5, 28596748), (10, 14298374), (19, 7525460), (20, 7149187), (38, 3762730), (76, 1881365), (95, 1505092), (139, 1028660), (190, 752546), (278, 514330), (380, 376273), (556, 257165), (695, 205732), (1390, 102866), (2641, 54140), (2707, 52820), (2780, 51433), (5282, 27070), (5414, 26410), (10564, 13535), (10828, 13205)]