768628225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 1043558208

約数和(自身を除く): 274929983

約数列:

[1, 5, 17, 25, 43, 85, 137, 215, 307, 425, 685, 731, 1075, 1535, 2329, 3425, 3655, 5219, 5891, 7675, 11645, 13201, 18275, 26095, 29455, 42059, 58225, 66005, 100147, 130475, 147275, 210295, 224417, 330025, 500735, 715003, 1051475, 1122085, 1808537, 2503675, 3575015, 5610425, 9042685, 17875075, 30745129, 45213425, 153725645, 768628225]

約数ペア:

[(1, 768628225), (5, 153725645), (17, 45213425), (25, 30745129), (43, 17875075), (85, 9042685), (137, 5610425), (215, 3575015), (307, 2503675), (425, 1808537), (685, 1122085), (731, 1051475), (1075, 715003), (1535, 500735), (2329, 330025), (3425, 224417), (3655, 210295), (5219, 147275), (5891, 130475), (7675, 100147), (11645, 66005), (13201, 58225), (18275, 42059), (26095, 29455)]