909708520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{464137}}^1$

素因数の和:464162

約数の個数: 48

約数和(自身を含む): 2381027940

約数和(自身を除く): 1471319420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 464137, 928274, 1856548, 2320685, 3248959, 3713096, 4641370, 6497918, 9282740, 12995836, 16244795, 18565480, 22742713, 25991672, 32489590, 45485426, 64979180, 90970852, 113713565, 129958360, 181941704, 227427130, 454854260, 909708520]

約数ペア:

[(1, 909708520), (2, 454854260), (4, 227427130), (5, 181941704), (7, 129958360), (8, 113713565), (10, 90970852), (14, 64979180), (20, 45485426), (28, 32489590), (35, 25991672), (40, 22742713), (49, 18565480), (56, 16244795), (70, 12995836), (98, 9282740), (140, 6497918), (196, 4641370), (245, 3713096), (280, 3248959), (392, 2320685), (490, 1856548), (980, 928274), (1960, 464137)]