211060920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251263}}^1$

素因数の和:251284

約数の個数: 64

約数和(自身を含む): 723640320

約数和(自身を除く): 512579400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 251263, 502526, 753789, 1005052, 1256315, 1507578, 1758841, 2010104, 2512630, 3015156, 3517682, 3768945, 5025260, 5276523, 6030312, 7035364, 7537890, 8794205, 10050520, 10553046, 14070728, 15075780, 17588410, 21106092, 26382615, 30151560, 35176820, 42212184, 52765230, 70353640, 105530460, 211060920]

約数ペア:

[(1, 211060920), (2, 105530460), (3, 70353640), (4, 52765230), (5, 42212184), (6, 35176820), (7, 30151560), (8, 26382615), (10, 21106092), (12, 17588410), (14, 15075780), (15, 14070728), (20, 10553046), (21, 10050520), (24, 8794205), (28, 7537890), (30, 7035364), (35, 6030312), (40, 5276523), (42, 5025260), (56, 3768945), (60, 3517682), (70, 3015156), (84, 2512630), (105, 2010104), (120, 1758841), (140, 1507578), (168, 1256315), (210, 1005052), (280, 753789), (420, 502526), (840, 251263)]