449210361580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1\times {\mathrm{81077}}^1$

素因数の和:83218

約数の個数: 48

約数和(自身を含む): 950616848160

約数和(自身を除く): 501406486580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1993, 2780, 3986, 7972, 9965, 19930, 39860, 81077, 162154, 277027, 324308, 405385, 554054, 810770, 1108108, 1385135, 1621540, 2770270, 5540540, 11269703, 22539406, 45078812, 56348515, 112697030, 161586461, 225394060, 323172922, 646345844, 807932305, 1615864610, 3231729220, 22460518079, 44921036158, 89842072316, 112302590395, 224605180790, 449210361580]

約数ペア:

[(1, 449210361580), (2, 224605180790), (4, 112302590395), (5, 89842072316), (10, 44921036158), (20, 22460518079), (139, 3231729220), (278, 1615864610), (556, 807932305), (695, 646345844), (1390, 323172922), (1993, 225394060), (2780, 161586461), (3986, 112697030), (7972, 56348515), (9965, 45078812), (19930, 22539406), (39860, 11269703), (81077, 5540540), (162154, 2770270), (277027, 1621540), (324308, 1385135), (405385, 1108108), (554054, 810770)]