197582720

素因数分解:

$2^7\times 5^1\times {\mathrm{308723}}^1$

素因数の和:308742

約数の個数: 32

約数和(自身を含む): 472347720

約数和(自身を除く): 274765000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 308723, 617446, 1234892, 1543615, 2469784, 3087230, 4939568, 6174460, 9879136, 12348920, 19758272, 24697840, 39516544, 49395680, 98791360, 197582720]

約数ペア:

[(1, 197582720), (2, 98791360), (4, 49395680), (5, 39516544), (8, 24697840), (10, 19758272), (16, 12348920), (20, 9879136), (32, 6174460), (40, 4939568), (64, 3087230), (80, 2469784), (128, 1543615), (160, 1234892), (320, 617446), (640, 308723)]