221469080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{790961}}^1$

素因数の和:790979

約数の個数: 32

約数和(自身を含む): 569492640

約数和(自身を除く): 348023560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 790961, 1581922, 3163844, 3954805, 5536727, 6327688, 7909610, 11073454, 15819220, 22146908, 27683635, 31638440, 44293816, 55367270, 110734540, 221469080]

約数ペア:

[(1, 221469080), (2, 110734540), (4, 55367270), (5, 44293816), (7, 31638440), (8, 27683635), (10, 22146908), (14, 15819220), (20, 11073454), (28, 7909610), (35, 6327688), (40, 5536727), (56, 3954805), (70, 3163844), (140, 1581922), (280, 790961)]