357345320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 823942800

約数和(自身を除く): 466597480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 137, 244, 274, 305, 488, 548, 610, 685, 1069, 1096, 1220, 1370, 2138, 2440, 2740, 4276, 5345, 5480, 8357, 8552, 10690, 16714, 21380, 33428, 41785, 42760, 65209, 66856, 83570, 130418, 146453, 167140, 260836, 292906, 326045, 334280, 521672, 585812, 652090, 732265, 1171624, 1304180, 1464530, 2608360, 2929060, 5858120, 8933633, 17867266, 35734532, 44668165, 71469064, 89336330, 178672660, 357345320]

約数ペア:

[(1, 357345320), (2, 178672660), (4, 89336330), (5, 71469064), (8, 44668165), (10, 35734532), (20, 17867266), (40, 8933633), (61, 5858120), (122, 2929060), (137, 2608360), (244, 1464530), (274, 1304180), (305, 1171624), (488, 732265), (548, 652090), (610, 585812), (685, 521672), (1069, 334280), (1096, 326045), (1220, 292906), (1370, 260836), (2138, 167140), (2440, 146453), (2740, 130418), (4276, 83570), (5345, 66856), (5480, 65209), (8357, 42760), (8552, 41785), (10690, 33428), (16714, 21380)]