1946503780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{258157}}^1$

素因数の和:258208

約数の個数: 48

約数和(自身を含む): 4553907120

約数和(自身を除く): 2607403340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 258157, 516314, 1032628, 1290785, 2581570, 3356041, 5163140, 6712082, 7486553, 13424164, 14973106, 16780205, 29946212, 33560410, 37432765, 67120820, 74865530, 97325189, 149731060, 194650378, 389300756, 486625945, 973251890, 1946503780]

約数ペア:

[(1, 1946503780), (2, 973251890), (4, 486625945), (5, 389300756), (10, 194650378), (13, 149731060), (20, 97325189), (26, 74865530), (29, 67120820), (52, 37432765), (58, 33560410), (65, 29946212), (116, 16780205), (130, 14973106), (145, 13424164), (260, 7486553), (290, 6712082), (377, 5163140), (580, 3356041), (754, 2581570), (1508, 1290785), (1885, 1032628), (3770, 516314), (7540, 258157)]