4880220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 13776000

約数和(自身を除く): 8895780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 499, 652, 815, 978, 998, 1497, 1630, 1956, 1996, 2445, 2495, 2994, 3260, 4890, 4990, 5988, 7485, 9780, 9980, 14970, 29940, 81337, 162674, 244011, 325348, 406685, 488022, 813370, 976044, 1220055, 1626740, 2440110, 4880220]

約数ペア:

[(1, 4880220), (2, 2440110), (3, 1626740), (4, 1220055), (5, 976044), (6, 813370), (10, 488022), (12, 406685), (15, 325348), (20, 244011), (30, 162674), (60, 81337), (163, 29940), (326, 14970), (489, 9980), (499, 9780), (652, 7485), (815, 5988), (978, 4990), (998, 4890), (1497, 3260), (1630, 2994), (1956, 2495), (1996, 2445)]