128503220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{823}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 278802048

約数和(自身を除く): 150298828

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 211, 370, 422, 740, 823, 844, 1055, 1646, 2110, 3292, 4115, 4220, 7807, 8230, 15614, 16460, 30451, 31228, 39035, 60902, 78070, 121804, 152255, 156140, 173653, 304510, 347306, 609020, 694612, 868265, 1736530, 3473060, 6425161, 12850322, 25700644, 32125805, 64251610, 128503220]

約数ペア:

[(1, 128503220), (2, 64251610), (4, 32125805), (5, 25700644), (10, 12850322), (20, 6425161), (37, 3473060), (74, 1736530), (148, 868265), (185, 694612), (211, 609020), (370, 347306), (422, 304510), (740, 173653), (823, 156140), (844, 152255), (1055, 121804), (1646, 78070), (2110, 60902), (3292, 39035), (4115, 31228), (4220, 30451), (7807, 16460), (8230, 15614)]