61618060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6199}}^1$

素因数の和:6286

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 88372340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6199, 9940, 12398, 24796, 30995, 43393, 61990, 86786, 123980, 173572, 216965, 433930, 440129, 867860, 880258, 1760516, 2200645, 3080903, 4401290, 6161806, 8802580, 12323612, 15404515, 30809030, 61618060]

約数ペア:

[(1, 61618060), (2, 30809030), (4, 15404515), (5, 12323612), (7, 8802580), (10, 6161806), (14, 4401290), (20, 3080903), (28, 2200645), (35, 1760516), (70, 880258), (71, 867860), (140, 440129), (142, 433930), (284, 216965), (355, 173572), (497, 123980), (710, 86786), (994, 61990), (1420, 43393), (1988, 30995), (2485, 24796), (4970, 12398), (6199, 9940)]