2019449770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1999}}^1$

素因数の和:2447

約数の個数: 64

約数和(自身を含む): 4132800000

約数和(自身を除く): 2113350230

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 409, 494, 818, 1235, 1999, 2045, 2470, 3998, 4090, 5317, 7771, 9995, 10634, 15542, 19990, 25987, 26585, 37981, 38855, 51974, 53170, 75962, 77710, 101023, 129935, 189905, 202046, 259870, 379810, 493753, 505115, 817591, 987506, 1010230, 1635182, 2468765, 4087955, 4937530, 8175910, 10628683, 15534229, 21257366, 31068458, 53143415, 77671145, 106286830, 155342290, 201944977, 403889954, 1009724885, 2019449770]

約数ペア:

[(1, 2019449770), (2, 1009724885), (5, 403889954), (10, 201944977), (13, 155342290), (19, 106286830), (26, 77671145), (38, 53143415), (65, 31068458), (95, 21257366), (130, 15534229), (190, 10628683), (247, 8175910), (409, 4937530), (494, 4087955), (818, 2468765), (1235, 1635182), (1999, 1010230), (2045, 987506), (2470, 817591), (3998, 505115), (4090, 493753), (5317, 379810), (7771, 259870), (9995, 202046), (10634, 189905), (15542, 129935), (19990, 101023), (25987, 77710), (26585, 75962), (37981, 53170), (38855, 51974)]