9678820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 21385728

約数和(自身を除く): 11706908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 233, 268, 310, 335, 466, 620, 670, 932, 1165, 1340, 2077, 2330, 4154, 4660, 7223, 8308, 10385, 14446, 15611, 20770, 28892, 31222, 36115, 41540, 62444, 72230, 78055, 144460, 156110, 312220, 483941, 967882, 1935764, 2419705, 4839410, 9678820]

約数ペア:

[(1, 9678820), (2, 4839410), (4, 2419705), (5, 1935764), (10, 967882), (20, 483941), (31, 312220), (62, 156110), (67, 144460), (124, 78055), (134, 72230), (155, 62444), (233, 41540), (268, 36115), (310, 31222), (335, 28892), (466, 20770), (620, 15611), (670, 14446), (932, 10385), (1165, 8308), (1340, 7223), (2077, 4660), (2330, 4154)]