2126087500

素因数分解:

$2^2\times 5^5\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2261

約数の個数: 72

約数和(自身を含む): 4711573440

約数和(自身を除く): 2585485940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 625, 790, 1250, 1580, 1975, 2153, 2500, 3125, 3950, 4306, 6250, 7900, 8612, 9875, 10765, 12500, 19750, 21530, 39500, 43060, 49375, 53825, 98750, 107650, 170087, 197500, 215300, 246875, 269125, 340174, 493750, 538250, 680348, 850435, 987500, 1076500, 1345625, 1700870, 2691250, 3401740, 4252175, 5382500, 6728125, 8504350, 13456250, 17008700, 21260875, 26912500, 42521750, 85043500, 106304375, 212608750, 425217500, 531521875, 1063043750, 2126087500]

約数ペア:

[(1, 2126087500), (2, 1063043750), (4, 531521875), (5, 425217500), (10, 212608750), (20, 106304375), (25, 85043500), (50, 42521750), (79, 26912500), (100, 21260875), (125, 17008700), (158, 13456250), (250, 8504350), (316, 6728125), (395, 5382500), (500, 4252175), (625, 3401740), (790, 2691250), (1250, 1700870), (1580, 1345625), (1975, 1076500), (2153, 987500), (2500, 850435), (3125, 680348), (3950, 538250), (4306, 493750), (6250, 340174), (7900, 269125), (8612, 246875), (9875, 215300), (10765, 197500), (12500, 170087), (19750, 107650), (21530, 98750), (39500, 53825), (43060, 49375)]