161069140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{217661}}^1$

素因数の和:217707

約数の個数: 24

約数和(自身を含む): 347388552

約数和(自身を除く): 186319412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 217661, 435322, 870644, 1088305, 2176610, 4353220, 8053457, 16106914, 32213828, 40267285, 80534570, 161069140]

約数ペア:

[(1, 161069140), (2, 80534570), (4, 40267285), (5, 32213828), (10, 16106914), (20, 8053457), (37, 4353220), (74, 2176610), (148, 1088305), (185, 870644), (370, 435322), (740, 217661)]