998049460

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{115783}}^1$

素因数の和:116223

約数の個数: 24

約数和(自身を含む): 2100784896

約数和(自身を除く): 1102735436

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 115783, 231566, 463132, 578915, 1157830, 2315660, 49902473, 99804946, 199609892, 249512365, 499024730, 998049460]

約数ペア:

[(1, 998049460), (2, 499024730), (4, 249512365), (5, 199609892), (10, 99804946), (20, 49902473), (431, 2315660), (862, 1157830), (1724, 578915), (2155, 463132), (4310, 231566), (8620, 115783)]