140203480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{39383}}^1$

素因数の和:39483

約数の個数: 32

約数和(自身を含む): 319010400

約数和(自身を除く): 178806920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 39383, 78766, 157532, 196915, 315064, 393830, 787660, 1575320, 3505087, 7010174, 14020348, 17525435, 28040696, 35050870, 70101740, 140203480]

約数ペア:

[(1, 140203480), (2, 70101740), (4, 35050870), (5, 28040696), (8, 17525435), (10, 14020348), (20, 7010174), (40, 3505087), (89, 1575320), (178, 787660), (356, 393830), (445, 315064), (712, 196915), (890, 157532), (1780, 78766), (3560, 39383)]