206743880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4703}}^1$

素因数の和:4878

約数の個数: 64

約数和(自身を含む): 535127040

約数和(自身を除く): 328383160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3140, 4396, 4703, 5495, 6280, 8792, 9406, 10990, 18812, 21980, 23515, 32921, 37624, 43960, 47030, 65842, 94060, 131684, 164605, 188120, 263368, 329210, 658420, 738371, 1316840, 1476742, 2953484, 3691855, 5168597, 5906968, 7383710, 10337194, 14767420, 20674388, 25842985, 29534840, 41348776, 51685970, 103371940, 206743880]

約数ペア:

[(1, 206743880), (2, 103371940), (4, 51685970), (5, 41348776), (7, 29534840), (8, 25842985), (10, 20674388), (14, 14767420), (20, 10337194), (28, 7383710), (35, 5906968), (40, 5168597), (56, 3691855), (70, 2953484), (140, 1476742), (157, 1316840), (280, 738371), (314, 658420), (628, 329210), (785, 263368), (1099, 188120), (1256, 164605), (1570, 131684), (2198, 94060), (3140, 65842), (4396, 47030), (4703, 43960), (5495, 37624), (6280, 32921), (8792, 23515), (9406, 21980), (10990, 18812)]