212975800

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 512467200

約数和(自身を除く): 299491400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 139, 163, 188, 200, 235, 278, 326, 376, 470, 556, 652, 695, 815, 940, 1112, 1175, 1304, 1390, 1630, 1880, 2350, 2780, 3260, 3475, 4075, 4700, 5560, 6520, 6533, 6950, 7661, 8150, 9400, 13066, 13900, 15322, 16300, 22657, 26132, 27800, 30644, 32600, 32665, 38305, 45314, 52264, 61288, 65330, 76610, 90628, 113285, 130660, 153220, 163325, 181256, 191525, 226570, 261320, 306440, 326650, 383050, 453140, 566425, 653300, 766100, 906280, 1064879, 1132850, 1306600, 1532200, 2129758, 2265700, 4259516, 4531400, 5324395, 8519032, 10648790, 21297580, 26621975, 42595160, 53243950, 106487900, 212975800]

約数ペア:

[(1, 212975800), (2, 106487900), (4, 53243950), (5, 42595160), (8, 26621975), (10, 21297580), (20, 10648790), (25, 8519032), (40, 5324395), (47, 4531400), (50, 4259516), (94, 2265700), (100, 2129758), (139, 1532200), (163, 1306600), (188, 1132850), (200, 1064879), (235, 906280), (278, 766100), (326, 653300), (376, 566425), (470, 453140), (556, 383050), (652, 326650), (695, 306440), (815, 261320), (940, 226570), (1112, 191525), (1175, 181256), (1304, 163325), (1390, 153220), (1630, 130660), (1880, 113285), (2350, 90628), (2780, 76610), (3260, 65330), (3475, 61288), (4075, 52264), (4700, 45314), (5560, 38305), (6520, 32665), (6533, 32600), (6950, 30644), (7661, 27800), (8150, 26132), (9400, 22657), (13066, 16300), (13900, 15322)]