128439450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{285421}}^1$

素因数の和:285439

約数の個数: 36

約数和(自身を含む): 345075198

約数和(自身を除く): 216635748

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 285421, 570842, 856263, 1427105, 1712526, 2568789, 2854210, 4281315, 5137578, 7135525, 8562630, 12843945, 14271050, 21406575, 25687890, 42813150, 64219725, 128439450]

約数ペア:

[(1, 128439450), (2, 64219725), (3, 42813150), (5, 25687890), (6, 21406575), (9, 14271050), (10, 12843945), (15, 8562630), (18, 7135525), (25, 5137578), (30, 4281315), (45, 2854210), (50, 2568789), (75, 1712526), (90, 1427105), (150, 856263), (225, 570842), (450, 285421)]