2201519990

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1\times {\mathrm{1229}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 3986616960

約数和(自身を除く): 1785096970

約数列:

[1, 2, 5, 10, 271, 542, 661, 1229, 1322, 1355, 2458, 2710, 3305, 6145, 6610, 12290, 179131, 333059, 358262, 666118, 812369, 895655, 1624738, 1665295, 1791310, 3330590, 4061845, 8123690, 220151999, 440303998, 1100759995, 2201519990]

約数ペア:

[(1, 2201519990), (2, 1100759995), (5, 440303998), (10, 220151999), (271, 8123690), (542, 4061845), (661, 3330590), (1229, 1791310), (1322, 1665295), (1355, 1624738), (2458, 895655), (2710, 812369), (3305, 666118), (6145, 358262), (6610, 333059), (12290, 179131)]