1990686550

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{3391}}^1$

素因数の和:3661

約数の個数: 48

約数和(自身を含む): 3785472000

約数和(自身を除く): 1794785450

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 199, 295, 398, 590, 995, 1475, 1990, 2950, 3391, 4975, 6782, 9950, 11741, 16955, 23482, 33910, 58705, 84775, 117410, 169550, 200069, 293525, 400138, 587050, 674809, 1000345, 1349618, 2000690, 3374045, 5001725, 6748090, 10003450, 16870225, 33740450, 39813731, 79627462, 199068655, 398137310, 995343275, 1990686550]

約数ペア:

[(1, 1990686550), (2, 995343275), (5, 398137310), (10, 199068655), (25, 79627462), (50, 39813731), (59, 33740450), (118, 16870225), (199, 10003450), (295, 6748090), (398, 5001725), (590, 3374045), (995, 2000690), (1475, 1349618), (1990, 1000345), (2950, 674809), (3391, 587050), (4975, 400138), (6782, 293525), (9950, 200069), (11741, 169550), (16955, 117410), (23482, 84775), (33910, 58705)]