189983320

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{12401}}^1$

素因数の和:12795

約数の個数: 32

約数和(自身を含む): 428613120

約数和(自身を除く): 238629800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 12401, 15320, 24802, 49604, 62005, 99208, 124010, 248020, 496040, 4749583, 9499166, 18998332, 23747915, 37996664, 47495830, 94991660, 189983320]

約数ペア:

[(1, 189983320), (2, 94991660), (4, 47495830), (5, 37996664), (8, 23747915), (10, 18998332), (20, 9499166), (40, 4749583), (383, 496040), (766, 248020), (1532, 124010), (1915, 99208), (3064, 62005), (3830, 49604), (7660, 24802), (12401, 15320)]