1004055380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{19009}}^1$

素因数の和:19176

約数の個数: 48

約数和(自身を含む): 2235576000

約数和(自身を除く): 1231520620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 10564, 13205, 19009, 26410, 38018, 52820, 76036, 95045, 190090, 361171, 380180, 722342, 1444684, 1805855, 2642251, 3611710, 5284502, 7223420, 10569004, 13211255, 26422510, 50202769, 52845020, 100405538, 200811076, 251013845, 502027690, 1004055380]

約数ペア:

[(1, 1004055380), (2, 502027690), (4, 251013845), (5, 200811076), (10, 100405538), (19, 52845020), (20, 50202769), (38, 26422510), (76, 13211255), (95, 10569004), (139, 7223420), (190, 5284502), (278, 3611710), (380, 2642251), (556, 1805855), (695, 1444684), (1390, 722342), (2641, 380180), (2780, 361171), (5282, 190090), (10564, 95045), (13205, 76036), (19009, 52820), (26410, 38018)]