487994840

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{19709}}^1$

素因数の和:20339

約数の個数: 32

約数和(自身を含む): 1099818000

約数和(自身を除く): 611823160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 3095, 4952, 6190, 12380, 19709, 24760, 39418, 78836, 98545, 157672, 197090, 394180, 788360, 12199871, 24399742, 48799484, 60999355, 97598968, 121998710, 243997420, 487994840]

約数ペア:

[(1, 487994840), (2, 243997420), (4, 121998710), (5, 97598968), (8, 60999355), (10, 48799484), (20, 24399742), (40, 12199871), (619, 788360), (1238, 394180), (2476, 197090), (3095, 157672), (4952, 98545), (6190, 78836), (12380, 39418), (19709, 24760)]