2009308910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{2861}}^1$

素因数の和:3081

約数の個数: 64

約数和(自身を含む): 4220190720

約数和(自身を除く): 2210881810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 127, 158, 254, 395, 553, 635, 790, 889, 1106, 1270, 1778, 2765, 2861, 4445, 5530, 5722, 8890, 10033, 14305, 20027, 20066, 28610, 40054, 50165, 70231, 100135, 100330, 140462, 200270, 226019, 351155, 363347, 452038, 702310, 726694, 1130095, 1582133, 1816735, 2260190, 2543429, 3164266, 3633470, 5086858, 7910665, 12717145, 15821330, 25434290, 28704413, 57408826, 143522065, 200930891, 287044130, 401861782, 1004654455, 2009308910]

約数ペア:

[(1, 2009308910), (2, 1004654455), (5, 401861782), (7, 287044130), (10, 200930891), (14, 143522065), (35, 57408826), (70, 28704413), (79, 25434290), (127, 15821330), (158, 12717145), (254, 7910665), (395, 5086858), (553, 3633470), (635, 3164266), (790, 2543429), (889, 2260190), (1106, 1816735), (1270, 1582133), (1778, 1130095), (2765, 726694), (2861, 702310), (4445, 452038), (5530, 363347), (5722, 351155), (8890, 226019), (10033, 200270), (14305, 140462), (20027, 100330), (20066, 100135), (28610, 70231), (40054, 50165)]