256500930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71849}}^1$

素因数の和:71883

約数の個数: 64

約数和(自身を含む): 744940800

約数和(自身を除く): 488439870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 71849, 143698, 215547, 359245, 431094, 502943, 718490, 1005886, 1077735, 1221433, 1508829, 2155470, 2442866, 2514715, 3017658, 3664299, 5029430, 6107165, 7328598, 7544145, 8550031, 12214330, 15088290, 17100062, 18321495, 25650093, 36642990, 42750155, 51300186, 85500310, 128250465, 256500930]

約数ペア:

[(1, 256500930), (2, 128250465), (3, 85500310), (5, 51300186), (6, 42750155), (7, 36642990), (10, 25650093), (14, 18321495), (15, 17100062), (17, 15088290), (21, 12214330), (30, 8550031), (34, 7544145), (35, 7328598), (42, 6107165), (51, 5029430), (70, 3664299), (85, 3017658), (102, 2514715), (105, 2442866), (119, 2155470), (170, 1508829), (210, 1221433), (238, 1077735), (255, 1005886), (357, 718490), (510, 502943), (595, 431094), (714, 359245), (1190, 215547), (1785, 143698), (3570, 71849)]