79755220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 174384000

約数和(自身を除く): 94628780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 691, 796, 995, 1382, 1990, 2764, 3455, 3980, 5771, 6910, 11542, 13820, 20039, 23084, 28855, 40078, 57710, 80156, 100195, 115420, 137509, 200390, 275018, 400780, 550036, 687545, 1375090, 2750180, 3987761, 7975522, 15951044, 19938805, 39877610, 79755220]

約数ペア:

[(1, 79755220), (2, 39877610), (4, 19938805), (5, 15951044), (10, 7975522), (20, 3987761), (29, 2750180), (58, 1375090), (116, 687545), (145, 550036), (199, 400780), (290, 275018), (398, 200390), (580, 137509), (691, 115420), (796, 100195), (995, 80156), (1382, 57710), (1990, 40078), (2764, 28855), (3455, 23084), (3980, 20039), (5771, 13820), (6910, 11542)]