31971380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9929}}^1$

素因数の和:9968

約数の個数: 48

約数和(自身を含む): 80075520

約数和(自身を除く): 48104140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9929, 19858, 39716, 49645, 69503, 99290, 139006, 198580, 228367, 278012, 347515, 456734, 695030, 913468, 1141835, 1390060, 1598569, 2283670, 3197138, 4567340, 6394276, 7992845, 15985690, 31971380]

約数ペア:

[(1, 31971380), (2, 15985690), (4, 7992845), (5, 6394276), (7, 4567340), (10, 3197138), (14, 2283670), (20, 1598569), (23, 1390060), (28, 1141835), (35, 913468), (46, 695030), (70, 456734), (92, 347515), (115, 278012), (140, 228367), (161, 198580), (230, 139006), (322, 99290), (460, 69503), (644, 49645), (805, 39716), (1610, 19858), (3220, 9929)]