55521800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 136417050

約数和(自身を除く): 80895250

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 361, 380, 475, 722, 760, 769, 950, 1444, 1538, 1805, 1900, 2888, 3076, 3610, 3800, 3845, 6152, 7220, 7690, 9025, 14440, 14611, 15380, 18050, 19225, 29222, 30760, 36100, 38450, 58444, 72200, 73055, 76900, 116888, 146110, 153800, 277609, 292220, 365275, 555218, 584440, 730550, 1110436, 1388045, 1461100, 2220872, 2776090, 2922200, 5552180, 6940225, 11104360, 13880450, 27760900, 55521800]

約数ペア:

[(1, 55521800), (2, 27760900), (4, 13880450), (5, 11104360), (8, 6940225), (10, 5552180), (19, 2922200), (20, 2776090), (25, 2220872), (38, 1461100), (40, 1388045), (50, 1110436), (76, 730550), (95, 584440), (100, 555218), (152, 365275), (190, 292220), (200, 277609), (361, 153800), (380, 146110), (475, 116888), (722, 76900), (760, 73055), (769, 72200), (950, 58444), (1444, 38450), (1538, 36100), (1805, 30760), (1900, 29222), (2888, 19225), (3076, 18050), (3610, 15380), (3800, 14611), (3845, 14440), (6152, 9025), (7220, 7690)]