309020380

素因数分解:

$2^2\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{6173}}^1$

素因数の和:8685

約数の個数: 24

約数和(自身を含む): 649307232

約数和(自身を除く): 340286852

約数列:

[1, 2, 4, 5, 10, 20, 2503, 5006, 6173, 10012, 12346, 12515, 24692, 25030, 30865, 50060, 61730, 123460, 15451019, 30902038, 61804076, 77255095, 154510190, 309020380]

約数ペア:

[(1, 309020380), (2, 154510190), (4, 77255095), (5, 61804076), (10, 30902038), (20, 15451019), (2503, 123460), (5006, 61730), (6173, 50060), (10012, 30865), (12346, 25030), (12515, 24692)]