1980097730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{5309}}^1$

素因数の和:5499

約数の個数: 64

約数和(自身を含む): 4067884800

約数和(自身を除く): 2087787070

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 151, 190, 247, 302, 494, 755, 1235, 1510, 1963, 2470, 2869, 3926, 5309, 5738, 9815, 10618, 14345, 19630, 26545, 28690, 37297, 53090, 69017, 74594, 100871, 138034, 186485, 201742, 345085, 372970, 504355, 690170, 801659, 1008710, 1311323, 1603318, 2622646, 4008295, 6556615, 8016590, 10421567, 13113230, 15231521, 20843134, 30463042, 52107835, 76157605, 104215670, 152315210, 198009773, 396019546, 990048865, 1980097730]

約数ペア:

[(1, 1980097730), (2, 990048865), (5, 396019546), (10, 198009773), (13, 152315210), (19, 104215670), (26, 76157605), (38, 52107835), (65, 30463042), (95, 20843134), (130, 15231521), (151, 13113230), (190, 10421567), (247, 8016590), (302, 6556615), (494, 4008295), (755, 2622646), (1235, 1603318), (1510, 1311323), (1963, 1008710), (2470, 801659), (2869, 690170), (3926, 504355), (5309, 372970), (5738, 345085), (9815, 201742), (10618, 186485), (14345, 138034), (19630, 100871), (26545, 74594), (28690, 69017), (37297, 53090)]