8782780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 19623744

約数和(自身を除く): 10840964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 313, 460, 610, 626, 1220, 1252, 1403, 1565, 2806, 3130, 5612, 6260, 7015, 7199, 14030, 14398, 19093, 28060, 28796, 35995, 38186, 71990, 76372, 95465, 143980, 190930, 381860, 439139, 878278, 1756556, 2195695, 4391390, 8782780]

約数ペア:

[(1, 8782780), (2, 4391390), (4, 2195695), (5, 1756556), (10, 878278), (20, 439139), (23, 381860), (46, 190930), (61, 143980), (92, 95465), (115, 76372), (122, 71990), (230, 38186), (244, 35995), (305, 28796), (313, 28060), (460, 19093), (610, 14398), (626, 14030), (1220, 7199), (1252, 7015), (1403, 6260), (1565, 5612), (2806, 3130)]