28280940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3391}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 79779840

約数和(自身を除く): 51498900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 3391, 4170, 6782, 8340, 10173, 13564, 16955, 20346, 33910, 40692, 50865, 67820, 101730, 203460, 471349, 942698, 1414047, 1885396, 2356745, 2828094, 4713490, 5656188, 7070235, 9426980, 14140470, 28280940]

約数ペア:

[(1, 28280940), (2, 14140470), (3, 9426980), (4, 7070235), (5, 5656188), (6, 4713490), (10, 2828094), (12, 2356745), (15, 1885396), (20, 1414047), (30, 942698), (60, 471349), (139, 203460), (278, 101730), (417, 67820), (556, 50865), (695, 40692), (834, 33910), (1390, 20346), (1668, 16955), (2085, 13564), (2780, 10173), (3391, 8340), (4170, 6782)]