28431220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 65600640

約数和(自身を除く): 37169420

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 3253, 4370, 6506, 8740, 13012, 16265, 32530, 61807, 65060, 74819, 123614, 149638, 247228, 299276, 309035, 374095, 618070, 748190, 1236140, 1421561, 1496380, 2843122, 5686244, 7107805, 14215610, 28431220]

約数ペア:

[(1, 28431220), (2, 14215610), (4, 7107805), (5, 5686244), (10, 2843122), (19, 1496380), (20, 1421561), (23, 1236140), (38, 748190), (46, 618070), (76, 374095), (92, 309035), (95, 299276), (115, 247228), (190, 149638), (230, 123614), (380, 74819), (437, 65060), (460, 61807), (874, 32530), (1748, 16265), (2185, 13012), (3253, 8740), (4370, 6506)]