1268853320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4531619}}^1$

素因数の和:4531637

約数の個数: 32

約数和(自身を含む): 3262766400

約数和(自身を除く): 1993913080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4531619, 9063238, 18126476, 22658095, 31721333, 36252952, 45316190, 63442666, 90632380, 126885332, 158606665, 181264760, 253770664, 317213330, 634426660, 1268853320]

約数ペア:

[(1, 1268853320), (2, 634426660), (4, 317213330), (5, 253770664), (7, 181264760), (8, 158606665), (10, 126885332), (14, 90632380), (20, 63442666), (28, 45316190), (35, 36252952), (40, 31721333), (56, 22658095), (70, 18126476), (140, 9063238), (280, 4531619)]