141902720

素因数分解:

$2^7\times 5^1\times {\mathrm{221723}}^1$

素因数の和:221742

約数の個数: 32

約数和(自身を含む): 339237720

約数和(自身を除く): 197335000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 221723, 443446, 886892, 1108615, 1773784, 2217230, 3547568, 4434460, 7095136, 8868920, 14190272, 17737840, 28380544, 35475680, 70951360, 141902720]

約数ペア:

[(1, 141902720), (2, 70951360), (4, 35475680), (5, 28380544), (8, 17737840), (10, 14190272), (16, 8868920), (20, 7095136), (32, 4434460), (40, 3547568), (64, 2217230), (80, 1773784), (128, 1108615), (160, 886892), (320, 443446), (640, 221723)]