123313360

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3433}}^1$

素因数の和:3895

約数の個数: 40

約数和(自身を含む): 287425800

約数和(自身を除く): 164112440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 2245, 3433, 3592, 4490, 6866, 7184, 8980, 13732, 17165, 17960, 27464, 34330, 35920, 54928, 68660, 137320, 274640, 1541417, 3082834, 6165668, 7707085, 12331336, 15414170, 24662672, 30828340, 61656680, 123313360]

約数ペア:

[(1, 123313360), (2, 61656680), (4, 30828340), (5, 24662672), (8, 15414170), (10, 12331336), (16, 7707085), (20, 6165668), (40, 3082834), (80, 1541417), (449, 274640), (898, 137320), (1796, 68660), (2245, 54928), (3433, 35920), (3592, 34330), (4490, 27464), (6866, 17960), (7184, 17165), (8980, 13732)]