311912230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 658409472

約数和(自身を除く): 346497242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 97, 142, 194, 355, 485, 497, 647, 679, 710, 970, 994, 1294, 1358, 2485, 3235, 3395, 4529, 4970, 6470, 6790, 6887, 9058, 13774, 22645, 34435, 45290, 45937, 48209, 62759, 68870, 91874, 96418, 125518, 229685, 241045, 313795, 321559, 439313, 459370, 482090, 627590, 643118, 878626, 1607795, 2196565, 3215590, 4393130, 4455889, 8911778, 22279445, 31191223, 44558890, 62382446, 155956115, 311912230]

約数ペア:

[(1, 311912230), (2, 155956115), (5, 62382446), (7, 44558890), (10, 31191223), (14, 22279445), (35, 8911778), (70, 4455889), (71, 4393130), (97, 3215590), (142, 2196565), (194, 1607795), (355, 878626), (485, 643118), (497, 627590), (647, 482090), (679, 459370), (710, 439313), (970, 321559), (994, 313795), (1294, 241045), (1358, 229685), (2485, 125518), (3235, 96418), (3395, 91874), (4529, 68870), (4970, 62759), (6470, 48209), (6790, 45937), (6887, 45290), (9058, 34435), (13774, 22645)]