111315220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 238750848

約数和(自身を除く): 127435628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 277, 283, 284, 355, 554, 566, 710, 1108, 1132, 1385, 1415, 1420, 2770, 2830, 5540, 5660, 19667, 20093, 39334, 40186, 78391, 78668, 80372, 98335, 100465, 156782, 196670, 200930, 313564, 391955, 393340, 401860, 783910, 1567820, 5565761, 11131522, 22263044, 27828805, 55657610, 111315220]

約数ペア:

[(1, 111315220), (2, 55657610), (4, 27828805), (5, 22263044), (10, 11131522), (20, 5565761), (71, 1567820), (142, 783910), (277, 401860), (283, 393340), (284, 391955), (355, 313564), (554, 200930), (566, 196670), (710, 156782), (1108, 100465), (1132, 98335), (1385, 80372), (1415, 78668), (1420, 78391), (2770, 40186), (2830, 39334), (5540, 20093), (5660, 19667)]