3636620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 8382528

約数和(自身を除く): 4745908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 197, 260, 284, 355, 394, 710, 788, 923, 985, 1420, 1846, 1970, 2561, 3692, 3940, 4615, 5122, 9230, 10244, 12805, 13987, 18460, 25610, 27974, 51220, 55948, 69935, 139870, 181831, 279740, 363662, 727324, 909155, 1818310, 3636620]

約数ペア:

[(1, 3636620), (2, 1818310), (4, 909155), (5, 727324), (10, 363662), (13, 279740), (20, 181831), (26, 139870), (52, 69935), (65, 55948), (71, 51220), (130, 27974), (142, 25610), (197, 18460), (260, 13987), (284, 12805), (355, 10244), (394, 9230), (710, 5122), (788, 4615), (923, 3940), (985, 3692), (1420, 2561), (1846, 1970)]