153959620

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{44497}}^1$

素因数の和:44679

約数の個数: 24

約数和(自身を含む): 325191384

約数和(自身を除く): 171231764

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 44497, 88994, 177988, 222485, 444970, 889940, 7697981, 15395962, 30791924, 38489905, 76979810, 153959620]

約数ペア:

[(1, 153959620), (2, 76979810), (4, 38489905), (5, 30791924), (10, 15395962), (20, 7697981), (173, 889940), (346, 444970), (692, 222485), (865, 177988), (1730, 88994), (3460, 44497)]