311366980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 663272064

約数和(自身を除く): 351905084

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 311, 443, 452, 565, 622, 886, 1130, 1244, 1555, 1772, 2215, 2260, 3110, 4430, 6220, 8860, 35143, 50059, 70286, 100118, 137773, 140572, 175715, 200236, 250295, 275546, 351430, 500590, 551092, 688865, 702860, 1001180, 1377730, 2755460, 15568349, 31136698, 62273396, 77841745, 155683490, 311366980]

約数ペア:

[(1, 311366980), (2, 155683490), (4, 77841745), (5, 62273396), (10, 31136698), (20, 15568349), (113, 2755460), (226, 1377730), (311, 1001180), (443, 702860), (452, 688865), (565, 551092), (622, 500590), (886, 351430), (1130, 275546), (1244, 250295), (1555, 200236), (1772, 175715), (2215, 140572), (2260, 137773), (3110, 100118), (4430, 70286), (6220, 50059), (8860, 35143)]