2539783820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{421891}}^1$

素因数の和:421950

約数の個数: 48

約数和(自身を含む): 6237251328

約数和(自身を除く): 3697467508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 421891, 843782, 1687564, 2109455, 2953237, 4218910, 5906474, 8437820, 11812948, 14766185, 18141313, 29532370, 36282626, 59064740, 72565252, 90706565, 126989191, 181413130, 253978382, 362826260, 507956764, 634945955, 1269891910, 2539783820]

約数ペア:

[(1, 2539783820), (2, 1269891910), (4, 634945955), (5, 507956764), (7, 362826260), (10, 253978382), (14, 181413130), (20, 126989191), (28, 90706565), (35, 72565252), (43, 59064740), (70, 36282626), (86, 29532370), (140, 18141313), (172, 14766185), (215, 11812948), (301, 8437820), (430, 5906474), (602, 4218910), (860, 2953237), (1204, 2109455), (1505, 1687564), (3010, 843782), (6020, 421891)]