149761720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{52733}}^1$

素因数の和:52815

約数の個数: 32

約数和(自身を含む): 341716320

約数和(自身を除く): 191954600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 52733, 105466, 210932, 263665, 421864, 527330, 1054660, 2109320, 3744043, 7488086, 14976172, 18720215, 29952344, 37440430, 74880860, 149761720]

約数ペア:

[(1, 149761720), (2, 74880860), (4, 37440430), (5, 29952344), (8, 18720215), (10, 14976172), (20, 7488086), (40, 3744043), (71, 2109320), (142, 1054660), (284, 527330), (355, 421864), (568, 263665), (710, 210932), (1420, 105466), (2840, 52733)]