211338540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{167729}}^1$

素因数の和:167751

約数の個数: 72

約数和(自身を含む): 732644640

約数和(自身を除く): 521306100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 167729, 335458, 503187, 670916, 838645, 1006374, 1174103, 1509561, 1677290, 2012748, 2348206, 2515935, 3019122, 3354580, 3522309, 4696412, 5031870, 5870515, 6038244, 7044618, 7547805, 10063740, 10566927, 11741030, 14089236, 15095610, 17611545, 21133854, 23482060, 30191220, 35223090, 42267708, 52834635, 70446180, 105669270, 211338540]

約数ペア:

[(1, 211338540), (2, 105669270), (3, 70446180), (4, 52834635), (5, 42267708), (6, 35223090), (7, 30191220), (9, 23482060), (10, 21133854), (12, 17611545), (14, 15095610), (15, 14089236), (18, 11741030), (20, 10566927), (21, 10063740), (28, 7547805), (30, 7044618), (35, 6038244), (36, 5870515), (42, 5031870), (45, 4696412), (60, 3522309), (63, 3354580), (70, 3019122), (84, 2515935), (90, 2348206), (105, 2012748), (126, 1677290), (140, 1509561), (180, 1174103), (210, 1006374), (252, 838645), (315, 670916), (420, 503187), (630, 335458), (1260, 167729)]