147971840

素因数分解:

$2^8\times 5^1\times {\mathrm{115603}}^1$

素因数の和:115624

約数の個数: 36

約数和(自身を含む): 354441864

約数和(自身を除く): 206470024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 115603, 231206, 462412, 578015, 924824, 1156030, 1849648, 2312060, 3699296, 4624120, 7398592, 9248240, 14797184, 18496480, 29594368, 36992960, 73985920, 147971840]

約数ペア:

[(1, 147971840), (2, 73985920), (4, 36992960), (5, 29594368), (8, 18496480), (10, 14797184), (16, 9248240), (20, 7398592), (32, 4624120), (40, 3699296), (64, 2312060), (80, 1849648), (128, 1156030), (160, 924824), (256, 578015), (320, 462412), (640, 231206), (1280, 115603)]