165475380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{393989}}^1$

素因数の和:394008

約数の個数: 48

約数和(自身を含む): 529522560

約数和(自身を除く): 364047180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 393989, 787978, 1181967, 1575956, 1969945, 2363934, 2757923, 3939890, 4727868, 5515846, 5909835, 7879780, 8273769, 11031692, 11819670, 13789615, 16547538, 23639340, 27579230, 33095076, 41368845, 55158460, 82737690, 165475380]

約数ペア:

[(1, 165475380), (2, 82737690), (3, 55158460), (4, 41368845), (5, 33095076), (6, 27579230), (7, 23639340), (10, 16547538), (12, 13789615), (14, 11819670), (15, 11031692), (20, 8273769), (21, 7879780), (28, 5909835), (30, 5515846), (35, 4727868), (42, 3939890), (60, 2757923), (70, 2363934), (84, 1969945), (105, 1575956), (140, 1181967), (210, 787978), (420, 393989)]