30125788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 68085360

約数和(自身を除く): 37959572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 89, 98, 154, 157, 178, 196, 308, 314, 356, 539, 623, 628, 979, 1078, 1099, 1246, 1727, 1958, 2156, 2198, 2492, 3454, 3916, 4361, 4396, 6853, 6908, 7693, 8722, 12089, 13706, 13973, 15386, 17444, 24178, 27412, 27946, 30772, 47971, 48356, 55892, 84623, 95942, 97811, 153703, 169246, 191884, 195622, 307406, 338492, 391244, 614812, 684677, 1075921, 1369354, 2151842, 2738708, 4303684, 7531447, 15062894, 30125788]

約数ペア:

[(1, 30125788), (2, 15062894), (4, 7531447), (7, 4303684), (11, 2738708), (14, 2151842), (22, 1369354), (28, 1075921), (44, 684677), (49, 614812), (77, 391244), (89, 338492), (98, 307406), (154, 195622), (157, 191884), (178, 169246), (196, 153703), (308, 97811), (314, 95942), (356, 84623), (539, 55892), (623, 48356), (628, 47971), (979, 30772), (1078, 27946), (1099, 27412), (1246, 24178), (1727, 17444), (1958, 15386), (2156, 13973), (2198, 13706), (2492, 12089), (3454, 8722), (3916, 7693), (4361, 6908), (4396, 6853)]