319921490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{28387}}^1$

素因数の和:28431

約数の個数: 48

約数和(自身を含む): 699026112

約数和(自身を除く): 379104622

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 5635, 11270, 28387, 56774, 141935, 198709, 283870, 397418, 652901, 993545, 1305802, 1390963, 1987090, 2781926, 3264505, 4570307, 6529010, 6954815, 9140614, 13909630, 22851535, 31992149, 45703070, 63984298, 159960745, 319921490]

約数ペア:

[(1, 319921490), (2, 159960745), (5, 63984298), (7, 45703070), (10, 31992149), (14, 22851535), (23, 13909630), (35, 9140614), (46, 6954815), (49, 6529010), (70, 4570307), (98, 3264505), (115, 2781926), (161, 1987090), (230, 1390963), (245, 1305802), (322, 993545), (490, 652901), (805, 397418), (1127, 283870), (1610, 198709), (2254, 141935), (5635, 56774), (11270, 28387)]