408077320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1457419}}^1$

素因数の和:1457437

約数の個数: 32

約数和(自身を含む): 1049342400

約数和(自身を除く): 641265080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1457419, 2914838, 5829676, 7287095, 10201933, 11659352, 14574190, 20403866, 29148380, 40807732, 51009665, 58296760, 81615464, 102019330, 204038660, 408077320]

約数ペア:

[(1, 408077320), (2, 204038660), (4, 102019330), (5, 81615464), (7, 58296760), (8, 51009665), (10, 40807732), (14, 29148380), (20, 20403866), (28, 14574190), (35, 11659352), (40, 10201933), (56, 7287095), (70, 5829676), (140, 2914838), (280, 1457419)]