2805320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 7413120

約数和(自身を除く): 4607800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 233, 280, 301, 344, 430, 466, 602, 860, 932, 1165, 1204, 1505, 1631, 1720, 1864, 2330, 2408, 3010, 3262, 4660, 6020, 6524, 8155, 9320, 10019, 12040, 13048, 16310, 20038, 32620, 40076, 50095, 65240, 70133, 80152, 100190, 140266, 200380, 280532, 350665, 400760, 561064, 701330, 1402660, 2805320]

約数ペア:

[(1, 2805320), (2, 1402660), (4, 701330), (5, 561064), (7, 400760), (8, 350665), (10, 280532), (14, 200380), (20, 140266), (28, 100190), (35, 80152), (40, 70133), (43, 65240), (56, 50095), (70, 40076), (86, 32620), (140, 20038), (172, 16310), (215, 13048), (233, 12040), (280, 10019), (301, 9320), (344, 8155), (430, 6524), (466, 6020), (602, 4660), (860, 3262), (932, 3010), (1165, 2408), (1204, 2330), (1505, 1864), (1631, 1720)]