222571160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10889}}^1$

素因数の和:10980

約数の個数: 64

約数和(自身を含む): 580219200

約数和(自身を除く): 357648040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 10889, 20440, 21778, 43556, 54445, 76223, 87112, 108890, 152446, 217780, 304892, 381115, 435560, 609784, 762230, 794897, 1524460, 1589794, 3048920, 3179588, 3974485, 5564279, 6359176, 7948970, 11128558, 15897940, 22257116, 27821395, 31795880, 44514232, 55642790, 111285580, 222571160]

約数ペア:

[(1, 222571160), (2, 111285580), (4, 55642790), (5, 44514232), (7, 31795880), (8, 27821395), (10, 22257116), (14, 15897940), (20, 11128558), (28, 7948970), (35, 6359176), (40, 5564279), (56, 3974485), (70, 3179588), (73, 3048920), (140, 1589794), (146, 1524460), (280, 794897), (292, 762230), (365, 609784), (511, 435560), (584, 381115), (730, 304892), (1022, 217780), (1460, 152446), (2044, 108890), (2555, 87112), (2920, 76223), (4088, 54445), (5110, 43556), (10220, 21778), (10889, 20440)]