9679880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 25159680

約数和(自身を除く): 15479800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 191, 280, 362, 382, 724, 764, 905, 955, 1267, 1337, 1448, 1528, 1810, 1910, 2534, 2674, 3620, 3820, 5068, 5348, 6335, 6685, 7240, 7640, 10136, 10696, 12670, 13370, 25340, 26740, 34571, 50680, 53480, 69142, 138284, 172855, 241997, 276568, 345710, 483994, 691420, 967988, 1209985, 1382840, 1935976, 2419970, 4839940, 9679880]

約数ペア:

[(1, 9679880), (2, 4839940), (4, 2419970), (5, 1935976), (7, 1382840), (8, 1209985), (10, 967988), (14, 691420), (20, 483994), (28, 345710), (35, 276568), (40, 241997), (56, 172855), (70, 138284), (140, 69142), (181, 53480), (191, 50680), (280, 34571), (362, 26740), (382, 25340), (724, 13370), (764, 12670), (905, 10696), (955, 10136), (1267, 7640), (1337, 7240), (1448, 6685), (1528, 6335), (1810, 5348), (1910, 5068), (2534, 3820), (2674, 3620)]