340858245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 731759616

約数和(自身を除く): 390901371

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 37, 39, 51, 65, 85, 91, 105, 111, 119, 185, 195, 221, 255, 259, 273, 357, 397, 455, 481, 555, 595, 629, 663, 777, 1105, 1191, 1295, 1365, 1443, 1547, 1785, 1887, 1985, 2405, 2779, 3145, 3315, 3367, 3885, 4403, 4641, 5161, 5955, 6749, 7215, 7735, 8177, 8337, 9435, 10101, 13209, 13895, 14689, 15483, 16835, 20247, 22015, 23205, 24531, 25805, 33745, 36127, 40885, 41685, 44067, 47243, 50505, 57239, 66045, 73445, 77415, 87737, 101235, 102823, 108381, 122655, 141729, 171717, 180635, 190957, 220335, 236215, 249713, 263211, 286195, 308469, 438685, 514115, 541905, 572871, 614159, 708645, 749139, 858585, 954785, 1248565, 1316055, 1336699, 1542345, 1747991, 1842477, 2864355, 3070795, 3246269, 3745695, 4010097, 5243973, 6683495, 8739955, 9212385, 9738807, 16231345, 20050485, 22723883, 26219865, 48694035, 68171649, 113619415, 340858245]

約数ペア:

[(1, 340858245), (3, 113619415), (5, 68171649), (7, 48694035), (13, 26219865), (15, 22723883), (17, 20050485), (21, 16231345), (35, 9738807), (37, 9212385), (39, 8739955), (51, 6683495), (65, 5243973), (85, 4010097), (91, 3745695), (105, 3246269), (111, 3070795), (119, 2864355), (185, 1842477), (195, 1747991), (221, 1542345), (255, 1336699), (259, 1316055), (273, 1248565), (357, 954785), (397, 858585), (455, 749139), (481, 708645), (555, 614159), (595, 572871), (629, 541905), (663, 514115), (777, 438685), (1105, 308469), (1191, 286195), (1295, 263211), (1365, 249713), (1443, 236215), (1547, 220335), (1785, 190957), (1887, 180635), (1985, 171717), (2405, 141729), (2779, 122655), (3145, 108381), (3315, 102823), (3367, 101235), (3885, 87737), (4403, 77415), (4641, 73445), (5161, 66045), (5955, 57239), (6749, 50505), (7215, 47243), (7735, 44067), (8177, 41685), (8337, 40885), (9435, 36127), (10101, 33745), (13209, 25805), (13895, 24531), (14689, 23205), (15483, 22015), (16835, 20247)]