256105836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{5107}}^1$

素因数の和:5323

約数の個数: 72

約数和(自身を含む): 743724800

約数和(自身を除く): 487618964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 796, 1194, 1393, 1791, 2388, 2786, 3582, 4179, 5107, 5572, 7164, 8358, 10214, 12537, 15321, 16716, 20428, 25074, 30642, 35749, 45963, 50148, 61284, 71498, 91926, 107247, 142996, 183852, 214494, 321741, 428988, 643482, 1016293, 1286964, 2032586, 3048879, 4065172, 6097758, 7114051, 9146637, 12195516, 14228102, 18293274, 21342153, 28456204, 36586548, 42684306, 64026459, 85368612, 128052918, 256105836]

約数ペア:

[(1, 256105836), (2, 128052918), (3, 85368612), (4, 64026459), (6, 42684306), (7, 36586548), (9, 28456204), (12, 21342153), (14, 18293274), (18, 14228102), (21, 12195516), (28, 9146637), (36, 7114051), (42, 6097758), (63, 4065172), (84, 3048879), (126, 2032586), (199, 1286964), (252, 1016293), (398, 643482), (597, 428988), (796, 321741), (1194, 214494), (1393, 183852), (1791, 142996), (2388, 107247), (2786, 91926), (3582, 71498), (4179, 61284), (5107, 50148), (5572, 45963), (7164, 35749), (8358, 30642), (10214, 25074), (12537, 20428), (15321, 16716)]