128260475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 190464000

約数和(自身を除く): 62203525

約数列:

[1, 5, 7, 25, 29, 35, 127, 145, 175, 199, 203, 635, 725, 889, 995, 1015, 1393, 3175, 3683, 4445, 4975, 5075, 5771, 6965, 18415, 22225, 25273, 25781, 28855, 34825, 40397, 92075, 126365, 128905, 144275, 176911, 201985, 631825, 644525, 732917, 884555, 1009925, 3664585, 4422775, 5130419, 18322925, 25652095, 128260475]

約数ペア:

[(1, 128260475), (5, 25652095), (7, 18322925), (25, 5130419), (29, 4422775), (35, 3664585), (127, 1009925), (145, 884555), (175, 732917), (199, 644525), (203, 631825), (635, 201985), (725, 176911), (889, 144275), (995, 128905), (1015, 126365), (1393, 92075), (3175, 40397), (3683, 34825), (4445, 28855), (4975, 25781), (5075, 25273), (5771, 22225), (6965, 18415)]