109398280

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{15809}}^1$

素因数の和:15993

約数の個数: 32

約数和(自身を含む): 247584600

約数和(自身を除く): 138186320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 15809, 31618, 63236, 79045, 126472, 158090, 316180, 632360, 2734957, 5469914, 10939828, 13674785, 21879656, 27349570, 54699140, 109398280]

約数ペア:

[(1, 109398280), (2, 54699140), (4, 27349570), (5, 21879656), (8, 13674785), (10, 10939828), (20, 5469914), (40, 2734957), (173, 632360), (346, 316180), (692, 158090), (865, 126472), (1384, 79045), (1730, 63236), (3460, 31618), (6920, 15809)]