389213520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1621723}}^1$

素因数の和:1621739

約数の個数: 40

約数和(自身を含む): 1206562656

約数和(自身を除く): 817349136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1621723, 3243446, 4865169, 6486892, 8108615, 9730338, 12973784, 16217230, 19460676, 24325845, 25947568, 32434460, 38921352, 48651690, 64868920, 77842704, 97303380, 129737840, 194606760, 389213520]

約数ペア:

[(1, 389213520), (2, 194606760), (3, 129737840), (4, 97303380), (5, 77842704), (6, 64868920), (8, 48651690), (10, 38921352), (12, 32434460), (15, 25947568), (16, 24325845), (20, 19460676), (24, 16217230), (30, 12973784), (40, 9730338), (48, 8108615), (60, 6486892), (80, 4865169), (120, 3243446), (240, 1621723)]