205809730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 434472192

約数和(自身を除く): 228662462

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 157, 305, 307, 314, 427, 610, 614, 785, 854, 1099, 1535, 1570, 2135, 2149, 2198, 3070, 4270, 4298, 5495, 9577, 10745, 10990, 18727, 19154, 21490, 37454, 47885, 48199, 67039, 93635, 95770, 96398, 131089, 134078, 187270, 240995, 262178, 335195, 337393, 481990, 655445, 670390, 674786, 1310890, 1686965, 2940139, 3373930, 5880278, 14700695, 20580973, 29401390, 41161946, 102904865, 205809730]

約数ペア:

[(1, 205809730), (2, 102904865), (5, 41161946), (7, 29401390), (10, 20580973), (14, 14700695), (35, 5880278), (61, 3373930), (70, 2940139), (122, 1686965), (157, 1310890), (305, 674786), (307, 670390), (314, 655445), (427, 481990), (610, 337393), (614, 335195), (785, 262178), (854, 240995), (1099, 187270), (1535, 134078), (1570, 131089), (2135, 96398), (2149, 95770), (2198, 93635), (3070, 67039), (4270, 48199), (4298, 47885), (5495, 37454), (9577, 21490), (10745, 19154), (10990, 18727)]