207917320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30757}}^1$

素因数の和:30794

約数の個数: 48

約数和(自身を含む): 506584260

約数和(自身を除く): 298666940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 30757, 61514, 123028, 153785, 246056, 307570, 399841, 615140, 799682, 1230280, 1599364, 1999205, 3198728, 3998410, 5197933, 7996820, 10395866, 15993640, 20791732, 25989665, 41583464, 51979330, 103958660, 207917320]

約数ペア:

[(1, 207917320), (2, 103958660), (4, 51979330), (5, 41583464), (8, 25989665), (10, 20791732), (13, 15993640), (20, 10395866), (26, 7996820), (40, 5197933), (52, 3998410), (65, 3198728), (104, 1999205), (130, 1599364), (169, 1230280), (260, 799682), (338, 615140), (520, 399841), (676, 307570), (845, 246056), (1352, 153785), (1690, 123028), (3380, 61514), (6760, 30757)]