77638360

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 181595520

約数和(自身を除く): 103957160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 677, 940, 1220, 1354, 1880, 2440, 2708, 2867, 3385, 5416, 5734, 6770, 11468, 13540, 14335, 22936, 27080, 28670, 31819, 41297, 57340, 63638, 82594, 114680, 127276, 159095, 165188, 206485, 254552, 318190, 330376, 412970, 636380, 825940, 1272760, 1651880, 1940959, 3881918, 7763836, 9704795, 15527672, 19409590, 38819180, 77638360]

約数ペア:

[(1, 77638360), (2, 38819180), (4, 19409590), (5, 15527672), (8, 9704795), (10, 7763836), (20, 3881918), (40, 1940959), (47, 1651880), (61, 1272760), (94, 825940), (122, 636380), (188, 412970), (235, 330376), (244, 318190), (305, 254552), (376, 206485), (470, 165188), (488, 159095), (610, 127276), (677, 114680), (940, 82594), (1220, 63638), (1354, 57340), (1880, 41297), (2440, 31819), (2708, 28670), (2867, 27080), (3385, 22936), (5416, 14335), (5734, 13540), (6770, 11468)]