55081880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 145897200

約数和(自身を除く): 90815320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 157, 179, 196, 245, 280, 314, 358, 392, 490, 628, 716, 785, 895, 980, 1099, 1253, 1256, 1432, 1570, 1790, 1960, 2198, 2506, 3140, 3580, 4396, 5012, 5495, 6265, 6280, 7160, 7693, 8771, 8792, 10024, 10990, 12530, 15386, 17542, 21980, 25060, 28103, 30772, 35084, 38465, 43855, 43960, 50120, 56206, 61544, 70168, 76930, 87710, 112412, 140515, 153860, 175420, 196721, 224824, 281030, 307720, 350840, 393442, 562060, 786884, 983605, 1124120, 1377047, 1573768, 1967210, 2754094, 3934420, 5508188, 6885235, 7868840, 11016376, 13770470, 27540940, 55081880]

約数ペア:

[(1, 55081880), (2, 27540940), (4, 13770470), (5, 11016376), (7, 7868840), (8, 6885235), (10, 5508188), (14, 3934420), (20, 2754094), (28, 1967210), (35, 1573768), (40, 1377047), (49, 1124120), (56, 983605), (70, 786884), (98, 562060), (140, 393442), (157, 350840), (179, 307720), (196, 281030), (245, 224824), (280, 196721), (314, 175420), (358, 153860), (392, 140515), (490, 112412), (628, 87710), (716, 76930), (785, 70168), (895, 61544), (980, 56206), (1099, 50120), (1253, 43960), (1256, 43855), (1432, 38465), (1570, 35084), (1790, 30772), (1960, 28103), (2198, 25060), (2506, 21980), (3140, 17542), (3580, 15386), (4396, 12530), (5012, 10990), (5495, 10024), (6265, 8792), (6280, 8771), (7160, 7693)]