172647890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1783}}^1$

素因数の和:2234

約数の個数: 32

約数和(自身を含む): 325230336

約数和(自身を除く): 152582446

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 421, 842, 1783, 2105, 3566, 4210, 8915, 9683, 17830, 19366, 41009, 48415, 82018, 96830, 205045, 410090, 750643, 1501286, 3753215, 7506430, 17264789, 34529578, 86323945, 172647890]

約数ペア:

[(1, 172647890), (2, 86323945), (5, 34529578), (10, 17264789), (23, 7506430), (46, 3753215), (115, 1501286), (230, 750643), (421, 410090), (842, 205045), (1783, 96830), (2105, 82018), (3566, 48415), (4210, 41009), (8915, 19366), (9683, 17830)]