3247720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1657}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 8505540

約数和(自身を除く): 5257820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1657, 1960, 3314, 6628, 8285, 11599, 13256, 16570, 23198, 33140, 46396, 57995, 66280, 81193, 92792, 115990, 162386, 231980, 324772, 405965, 463960, 649544, 811930, 1623860, 3247720]

約数ペア:

[(1, 3247720), (2, 1623860), (4, 811930), (5, 649544), (7, 463960), (8, 405965), (10, 324772), (14, 231980), (20, 162386), (28, 115990), (35, 92792), (40, 81193), (49, 66280), (56, 57995), (70, 46396), (98, 33140), (140, 23198), (196, 16570), (245, 13256), (280, 11599), (392, 8285), (490, 6628), (980, 3314), (1657, 1960)]