388280656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 814233600

約数和(自身を除く): 425952944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 113, 127, 152, 178, 226, 254, 304, 356, 452, 508, 712, 904, 1016, 1424, 1691, 1808, 2032, 2147, 2413, 3382, 4294, 4826, 6764, 8588, 9652, 10057, 11303, 13528, 14351, 17176, 19304, 20114, 22606, 27056, 28702, 34352, 38608, 40228, 45212, 57404, 80456, 90424, 114808, 160912, 180848, 191083, 214757, 229616, 272669, 382166, 429514, 545338, 764332, 859028, 1090676, 1277239, 1528664, 1718056, 2181352, 2554478, 3057328, 3436112, 4362704, 5108956, 10217912, 20435824, 24267541, 48535082, 97070164, 194140328, 388280656]

約数ペア:

[(1, 388280656), (2, 194140328), (4, 97070164), (8, 48535082), (16, 24267541), (19, 20435824), (38, 10217912), (76, 5108956), (89, 4362704), (113, 3436112), (127, 3057328), (152, 2554478), (178, 2181352), (226, 1718056), (254, 1528664), (304, 1277239), (356, 1090676), (452, 859028), (508, 764332), (712, 545338), (904, 429514), (1016, 382166), (1424, 272669), (1691, 229616), (1808, 214757), (2032, 191083), (2147, 180848), (2413, 160912), (3382, 114808), (4294, 90424), (4826, 80456), (6764, 57404), (8588, 45212), (9652, 40228), (10057, 38608), (11303, 34352), (13528, 28702), (14351, 27056), (17176, 22606), (19304, 20114)]