514689790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 1011890880

約数和(自身を除く): 497201090

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 181, 215, 362, 389, 430, 731, 778, 905, 1462, 1810, 1945, 3077, 3655, 3890, 6154, 6613, 7310, 7783, 13226, 15385, 15566, 16727, 30770, 33065, 33454, 38915, 66130, 70409, 77830, 83635, 132311, 140818, 167270, 264622, 284359, 352045, 568718, 661555, 704090, 1196953, 1323110, 1421795, 2393906, 2843590, 3027587, 5984765, 6055174, 11969530, 15137935, 30275870, 51468979, 102937958, 257344895, 514689790]

約数ペア:

[(1, 514689790), (2, 257344895), (5, 102937958), (10, 51468979), (17, 30275870), (34, 15137935), (43, 11969530), (85, 6055174), (86, 5984765), (170, 3027587), (181, 2843590), (215, 2393906), (362, 1421795), (389, 1323110), (430, 1196953), (731, 704090), (778, 661555), (905, 568718), (1462, 352045), (1810, 284359), (1945, 264622), (3077, 167270), (3655, 140818), (3890, 132311), (6154, 83635), (6613, 77830), (7310, 70409), (7783, 66130), (13226, 38915), (15385, 33454), (15566, 33065), (16727, 30770)]