256430004

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{12637}}^1$

素因数の和:12752

約数の個数: 48

約数和(自身を含む): 636955200

約数和(自身を除く): 380525196

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 89, 114, 178, 228, 267, 356, 534, 1068, 1691, 3382, 5073, 6764, 10146, 12637, 20292, 25274, 37911, 50548, 75822, 151644, 240103, 480206, 720309, 960412, 1124693, 1440618, 2249386, 2881236, 3374079, 4498772, 6748158, 13496316, 21369167, 42738334, 64107501, 85476668, 128215002, 256430004]

約数ペア:

[(1, 256430004), (2, 128215002), (3, 85476668), (4, 64107501), (6, 42738334), (12, 21369167), (19, 13496316), (38, 6748158), (57, 4498772), (76, 3374079), (89, 2881236), (114, 2249386), (178, 1440618), (228, 1124693), (267, 960412), (356, 720309), (534, 480206), (1068, 240103), (1691, 151644), (3382, 75822), (5073, 50548), (6764, 37911), (10146, 25274), (12637, 20292)]