24991520470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{1301}}^1$

素因数の和:1718

約数の個数: 96

約数和(自身を含む): 52899739200

約数和(自身を除く): 27908218730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 199, 245, 394, 398, 490, 985, 995, 1301, 1379, 1393, 1970, 1990, 2602, 2758, 2786, 6505, 6895, 6965, 9107, 9653, 9751, 13010, 13790, 13930, 18214, 19306, 19502, 39203, 45535, 48265, 48755, 63749, 78406, 91070, 96530, 97510, 127498, 196015, 256297, 258899, 274421, 318745, 392030, 512594, 517798, 548842, 637490, 1281485, 1294495, 1372105, 1794079, 1812293, 1920947, 2562970, 2588990, 2744210, 3588158, 3624586, 3841894, 8970395, 9061465, 9604735, 12558553, 12686051, 17940790, 18122930, 19209470, 25117106, 25372102, 51003103, 62792765, 63430255, 102006206, 125585530, 126860510, 255015515, 357021721, 510031030, 714043442, 1785108605, 2499152047, 3570217210, 4998304094, 12495760235, 24991520470]

約数ペア:

[(1, 24991520470), (2, 12495760235), (5, 4998304094), (7, 3570217210), (10, 2499152047), (14, 1785108605), (35, 714043442), (49, 510031030), (70, 357021721), (98, 255015515), (197, 126860510), (199, 125585530), (245, 102006206), (394, 63430255), (398, 62792765), (490, 51003103), (985, 25372102), (995, 25117106), (1301, 19209470), (1379, 18122930), (1393, 17940790), (1970, 12686051), (1990, 12558553), (2602, 9604735), (2758, 9061465), (2786, 8970395), (6505, 3841894), (6895, 3624586), (6965, 3588158), (9107, 2744210), (9653, 2588990), (9751, 2562970), (13010, 1920947), (13790, 1812293), (13930, 1794079), (18214, 1372105), (19306, 1294495), (19502, 1281485), (39203, 637490), (45535, 548842), (48265, 517798), (48755, 512594), (63749, 392030), (78406, 318745), (91070, 274421), (96530, 258899), (97510, 256297), (127498, 196015)]