515259340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{5023}}^1$

素因数の和:5278

約数の個数: 48

約数和(自身を含む): 1134379008

約数和(自身を除く): 619119668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 223, 230, 446, 460, 892, 1115, 2230, 4460, 5023, 5129, 10046, 10258, 20092, 20516, 25115, 25645, 50230, 51290, 100460, 102580, 115529, 231058, 462116, 577645, 1120129, 1155290, 2240258, 2310580, 4480516, 5600645, 11201290, 22402580, 25762967, 51525934, 103051868, 128814835, 257629670, 515259340]

約数ペア:

[(1, 515259340), (2, 257629670), (4, 128814835), (5, 103051868), (10, 51525934), (20, 25762967), (23, 22402580), (46, 11201290), (92, 5600645), (115, 4480516), (223, 2310580), (230, 2240258), (446, 1155290), (460, 1120129), (892, 577645), (1115, 462116), (2230, 231058), (4460, 115529), (5023, 102580), (5129, 100460), (10046, 51290), (10258, 50230), (20092, 25645), (20516, 25115)]