197029490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 456192000

約数和(自身を除く): 259162510

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 49, 62, 70, 85, 98, 109, 119, 155, 170, 217, 218, 238, 245, 310, 343, 434, 490, 527, 545, 595, 686, 763, 833, 1054, 1085, 1090, 1190, 1519, 1526, 1666, 1715, 1853, 2170, 2635, 3038, 3379, 3430, 3689, 3706, 3815, 4165, 5270, 5341, 5831, 6758, 7378, 7595, 7630, 8330, 9265, 10633, 10682, 11662, 12971, 15190, 16895, 18445, 18530, 21266, 23653, 25823, 25942, 26705, 29155, 33790, 36890, 37387, 47306, 51646, 53165, 53410, 57443, 58310, 64855, 74774, 90797, 106330, 114886, 118265, 129115, 129710, 165571, 180761, 181594, 186935, 236530, 258230, 287215, 331142, 361522, 373870, 402101, 453985, 574430, 635579, 804202, 827855, 903805, 907970, 1158997, 1271158, 1655710, 1807610, 2010505, 2317994, 2814707, 3177895, 4021010, 5629414, 5794985, 6355790, 11589970, 14073535, 19702949, 28147070, 39405898, 98514745, 197029490]

約数ペア:

[(1, 197029490), (2, 98514745), (5, 39405898), (7, 28147070), (10, 19702949), (14, 14073535), (17, 11589970), (31, 6355790), (34, 5794985), (35, 5629414), (49, 4021010), (62, 3177895), (70, 2814707), (85, 2317994), (98, 2010505), (109, 1807610), (119, 1655710), (155, 1271158), (170, 1158997), (217, 907970), (218, 903805), (238, 827855), (245, 804202), (310, 635579), (343, 574430), (434, 453985), (490, 402101), (527, 373870), (545, 361522), (595, 331142), (686, 287215), (763, 258230), (833, 236530), (1054, 186935), (1085, 181594), (1090, 180761), (1190, 165571), (1519, 129710), (1526, 129115), (1666, 118265), (1715, 114886), (1853, 106330), (2170, 90797), (2635, 74774), (3038, 64855), (3379, 58310), (3430, 57443), (3689, 53410), (3706, 53165), (3815, 51646), (4165, 47306), (5270, 37387), (5341, 36890), (5831, 33790), (6758, 29155), (7378, 26705), (7595, 25942), (7630, 25823), (8330, 23653), (9265, 21266), (10633, 18530), (10682, 18445), (11662, 16895), (12971, 15190)]