254228240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1237}}^1$

素因数の和:1624

約数の個数: 80

約数和(自身を含む): 677908992

約数和(自身を除く): 423680752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 560, 734, 1237, 1468, 1835, 2474, 2569, 2936, 3670, 4948, 5138, 5872, 6185, 7340, 8659, 9896, 10276, 12370, 12845, 14680, 17318, 19792, 20552, 24740, 25690, 29360, 34636, 41104, 43295, 49480, 51380, 69272, 86590, 98960, 102760, 138544, 173180, 205520, 346360, 453979, 692720, 907958, 1815916, 2269895, 3177853, 3631832, 4539790, 6355706, 7263664, 9079580, 12711412, 15889265, 18159160, 25422824, 31778530, 36318320, 50845648, 63557060, 127114120, 254228240]

約数ペア:

[(1, 254228240), (2, 127114120), (4, 63557060), (5, 50845648), (7, 36318320), (8, 31778530), (10, 25422824), (14, 18159160), (16, 15889265), (20, 12711412), (28, 9079580), (35, 7263664), (40, 6355706), (56, 4539790), (70, 3631832), (80, 3177853), (112, 2269895), (140, 1815916), (280, 907958), (367, 692720), (560, 453979), (734, 346360), (1237, 205520), (1468, 173180), (1835, 138544), (2474, 102760), (2569, 98960), (2936, 86590), (3670, 69272), (4948, 51380), (5138, 49480), (5872, 43295), (6185, 41104), (7340, 34636), (8659, 29360), (9896, 25690), (10276, 24740), (12370, 20552), (12845, 19792), (14680, 17318)]