389968670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3083}}^1$

素因数の和:3249

約数の個数: 64

約数和(自身を含む): 870428160

約数和(自身を除く): 480459490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 139, 182, 278, 455, 695, 910, 973, 1390, 1807, 1946, 3083, 3614, 4865, 6166, 9035, 9730, 12649, 15415, 18070, 21581, 25298, 30830, 40079, 43162, 63245, 80158, 107905, 126490, 200395, 215810, 280553, 400790, 428537, 561106, 857074, 1402765, 2142685, 2805530, 2999759, 4285370, 5570981, 5999518, 11141962, 14998795, 27854905, 29997590, 38996867, 55709810, 77993734, 194984335, 389968670]

約数ペア:

[(1, 389968670), (2, 194984335), (5, 77993734), (7, 55709810), (10, 38996867), (13, 29997590), (14, 27854905), (26, 14998795), (35, 11141962), (65, 5999518), (70, 5570981), (91, 4285370), (130, 2999759), (139, 2805530), (182, 2142685), (278, 1402765), (455, 857074), (695, 561106), (910, 428537), (973, 400790), (1390, 280553), (1807, 215810), (1946, 200395), (3083, 126490), (3614, 107905), (4865, 80158), (6166, 63245), (9035, 43162), (9730, 40079), (12649, 30830), (15415, 25298), (18070, 21581)]