221399080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{10009}}^1$

素因数の和:10106

約数の個数: 64

約数和(自身を含む): 576576000

約数和(自身を除く): 355176920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 10009, 11060, 20018, 22120, 40036, 50045, 70063, 80072, 100090, 140126, 200180, 280252, 350315, 400360, 560504, 700630, 790711, 1401260, 1581422, 2802520, 3162844, 3953555, 5534977, 6325688, 7907110, 11069954, 15814220, 22139908, 27674885, 31628440, 44279816, 55349770, 110699540, 221399080]

約数ペア:

[(1, 221399080), (2, 110699540), (4, 55349770), (5, 44279816), (7, 31628440), (8, 27674885), (10, 22139908), (14, 15814220), (20, 11069954), (28, 7907110), (35, 6325688), (40, 5534977), (56, 3953555), (70, 3162844), (79, 2802520), (140, 1581422), (158, 1401260), (280, 790711), (316, 700630), (395, 560504), (553, 400360), (632, 350315), (790, 280252), (1106, 200180), (1580, 140126), (2212, 100090), (2765, 80072), (3160, 70063), (4424, 50045), (5530, 40036), (10009, 22120), (11060, 20018)]