28995420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{353}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 83677104

約数和(自身を除く): 54681684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 353, 370, 444, 555, 706, 740, 1059, 1110, 1369, 1412, 1765, 2118, 2220, 2738, 3530, 4107, 4236, 5295, 5476, 6845, 7060, 8214, 10590, 13061, 13690, 16428, 20535, 21180, 26122, 27380, 39183, 41070, 52244, 65305, 78366, 82140, 130610, 156732, 195915, 261220, 391830, 483257, 783660, 966514, 1449771, 1933028, 2416285, 2899542, 4832570, 5799084, 7248855, 9665140, 14497710, 28995420]

約数ペア:

[(1, 28995420), (2, 14497710), (3, 9665140), (4, 7248855), (5, 5799084), (6, 4832570), (10, 2899542), (12, 2416285), (15, 1933028), (20, 1449771), (30, 966514), (37, 783660), (60, 483257), (74, 391830), (111, 261220), (148, 195915), (185, 156732), (222, 130610), (353, 82140), (370, 78366), (444, 65305), (555, 52244), (706, 41070), (740, 39183), (1059, 27380), (1110, 26122), (1369, 21180), (1412, 20535), (1765, 16428), (2118, 13690), (2220, 13061), (2738, 10590), (3530, 8214), (4107, 7060), (4236, 6845), (5295, 5476)]