31019660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3307}}^1$

素因数の和:3390

約数の個数: 48

約数和(自身を含む): 75581184

約数和(自身を除く): 44561524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 3307, 4690, 6614, 9380, 13228, 16535, 23149, 33070, 46298, 66140, 92596, 115745, 221569, 231490, 443138, 462980, 886276, 1107845, 1550983, 2215690, 3101966, 4431380, 6203932, 7754915, 15509830, 31019660]

約数ペア:

[(1, 31019660), (2, 15509830), (4, 7754915), (5, 6203932), (7, 4431380), (10, 3101966), (14, 2215690), (20, 1550983), (28, 1107845), (35, 886276), (67, 462980), (70, 443138), (134, 231490), (140, 221569), (268, 115745), (335, 92596), (469, 66140), (670, 46298), (938, 33070), (1340, 23149), (1876, 16535), (2345, 13228), (3307, 9380), (4690, 6614)]