1279883390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 2455738560

約数和(自身を除く): 1175855170

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 197, 215, 290, 394, 430, 521, 985, 1042, 1247, 1970, 2494, 2605, 5210, 5713, 6235, 8471, 11426, 12470, 15109, 16942, 22403, 28565, 30218, 42355, 44806, 57130, 75545, 84710, 102637, 112015, 151090, 205274, 224030, 245659, 491318, 513185, 649687, 1026370, 1228295, 1299374, 2456590, 2976473, 3248435, 4413391, 5952946, 6496870, 8826782, 14882365, 22066955, 29764730, 44133910, 127988339, 255976678, 639941695, 1279883390]

約数ペア:

[(1, 1279883390), (2, 639941695), (5, 255976678), (10, 127988339), (29, 44133910), (43, 29764730), (58, 22066955), (86, 14882365), (145, 8826782), (197, 6496870), (215, 5952946), (290, 4413391), (394, 3248435), (430, 2976473), (521, 2456590), (985, 1299374), (1042, 1228295), (1247, 1026370), (1970, 649687), (2494, 513185), (2605, 491318), (5210, 245659), (5713, 224030), (6235, 205274), (8471, 151090), (11426, 112015), (12470, 102637), (15109, 84710), (16942, 75545), (22403, 57130), (28565, 44806), (30218, 42355)]