797468620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{15413}}^1$

素因数の和:15634

約数の個数: 48

約数和(自身を含む): 1812686400

約数和(自身を除く): 1015217780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 10348, 12935, 15413, 25870, 30826, 51740, 61652, 77065, 154130, 200369, 308260, 400738, 801476, 1001845, 2003690, 3067187, 4007380, 6134374, 12268748, 15335935, 30671870, 39873431, 61343740, 79746862, 159493724, 199367155, 398734310, 797468620]

約数ペア:

[(1, 797468620), (2, 398734310), (4, 199367155), (5, 159493724), (10, 79746862), (13, 61343740), (20, 39873431), (26, 30671870), (52, 15335935), (65, 12268748), (130, 6134374), (199, 4007380), (260, 3067187), (398, 2003690), (796, 1001845), (995, 801476), (1990, 400738), (2587, 308260), (3980, 200369), (5174, 154130), (10348, 77065), (12935, 61652), (15413, 51740), (25870, 30826)]