28419160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9227}}^1$

素因数の和:9256

約数の個数: 64

約数和(自身を含む): 79729920

約数和(自身を除く): 51310760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9227, 18454, 36908, 46135, 64589, 73816, 92270, 101497, 129178, 184540, 202994, 258356, 322945, 369080, 405988, 507485, 516712, 645890, 710479, 811976, 1014970, 1291780, 1420958, 2029940, 2583560, 2841916, 3552395, 4059880, 5683832, 7104790, 14209580, 28419160]

約数ペア:

[(1, 28419160), (2, 14209580), (4, 7104790), (5, 5683832), (7, 4059880), (8, 3552395), (10, 2841916), (11, 2583560), (14, 2029940), (20, 1420958), (22, 1291780), (28, 1014970), (35, 811976), (40, 710479), (44, 645890), (55, 516712), (56, 507485), (70, 405988), (77, 369080), (88, 322945), (110, 258356), (140, 202994), (154, 184540), (220, 129178), (280, 101497), (308, 92270), (385, 73816), (440, 64589), (616, 46135), (770, 36908), (1540, 18454), (3080, 9227)]