188055880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 430920000

約数和(自身を除く): 242864120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 149, 227, 278, 298, 454, 556, 596, 695, 745, 908, 1112, 1135, 1192, 1390, 1490, 1816, 2270, 2780, 2980, 4540, 5560, 5960, 9080, 20711, 31553, 33823, 41422, 63106, 67646, 82844, 103555, 126212, 135292, 157765, 165688, 169115, 207110, 252424, 270584, 315530, 338230, 414220, 631060, 676460, 828440, 1262120, 1352920, 4701397, 9402794, 18805588, 23506985, 37611176, 47013970, 94027940, 188055880]

約数ペア:

[(1, 188055880), (2, 94027940), (4, 47013970), (5, 37611176), (8, 23506985), (10, 18805588), (20, 9402794), (40, 4701397), (139, 1352920), (149, 1262120), (227, 828440), (278, 676460), (298, 631060), (454, 414220), (556, 338230), (596, 315530), (695, 270584), (745, 252424), (908, 207110), (1112, 169115), (1135, 165688), (1192, 157765), (1390, 135292), (1490, 126212), (1816, 103555), (2270, 82844), (2780, 67646), (2980, 63106), (4540, 41422), (5560, 33823), (5960, 31553), (9080, 20711)]