203971840

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8387}}^1$

素因数の和:8427

約数の個数: 72

約数和(自身を含む): 514352160

約数和(自身を除く): 310380320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 8387, 12160, 16774, 24320, 33548, 41935, 67096, 83870, 134192, 159353, 167740, 268384, 318706, 335480, 536768, 637412, 670960, 796765, 1073536, 1274824, 1341920, 1593530, 2147072, 2549648, 2683840, 3187060, 5099296, 5367680, 6374120, 10198592, 10735360, 12748240, 20397184, 25496480, 40794368, 50992960, 101985920, 203971840]

約数ペア:

[(1, 203971840), (2, 101985920), (4, 50992960), (5, 40794368), (8, 25496480), (10, 20397184), (16, 12748240), (19, 10735360), (20, 10198592), (32, 6374120), (38, 5367680), (40, 5099296), (64, 3187060), (76, 2683840), (80, 2549648), (95, 2147072), (128, 1593530), (152, 1341920), (160, 1274824), (190, 1073536), (256, 796765), (304, 670960), (320, 637412), (380, 536768), (608, 335480), (640, 318706), (760, 268384), (1216, 167740), (1280, 159353), (1520, 134192), (2432, 83870), (3040, 67096), (4864, 41935), (6080, 33548), (8387, 24320), (12160, 16774)]