5215691900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{144479}}^1$

素因数の和:144531

約数の個数: 54

約数和(自身を含む): 11945172960

約数和(自身を除く): 6729481060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1805, 1900, 3610, 7220, 9025, 18050, 36100, 144479, 288958, 577916, 722395, 1444790, 2745101, 2889580, 3611975, 5490202, 7223950, 10980404, 13725505, 14447900, 27451010, 52156919, 54902020, 68627525, 104313838, 137255050, 208627676, 260784595, 274510100, 521569190, 1043138380, 1303922975, 2607845950, 5215691900]

約数ペア:

[(1, 5215691900), (2, 2607845950), (4, 1303922975), (5, 1043138380), (10, 521569190), (19, 274510100), (20, 260784595), (25, 208627676), (38, 137255050), (50, 104313838), (76, 68627525), (95, 54902020), (100, 52156919), (190, 27451010), (361, 14447900), (380, 13725505), (475, 10980404), (722, 7223950), (950, 5490202), (1444, 3611975), (1805, 2889580), (1900, 2745101), (3610, 1444790), (7220, 722395), (9025, 577916), (18050, 288958), (36100, 144479)]