12721450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1951

約数の個数: 48

約数和(自身を含む): 28480320

約数和(自身を除く): 15758870

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 1913, 3325, 3826, 6650, 9565, 13391, 19130, 26782, 36347, 47825, 66955, 72694, 95650, 133910, 181735, 254429, 334775, 363470, 508858, 669550, 908675, 1272145, 1817350, 2544290, 6360725, 12721450]

約数ペア:

[(1, 12721450), (2, 6360725), (5, 2544290), (7, 1817350), (10, 1272145), (14, 908675), (19, 669550), (25, 508858), (35, 363470), (38, 334775), (50, 254429), (70, 181735), (95, 133910), (133, 95650), (175, 72694), (190, 66955), (266, 47825), (350, 36347), (475, 26782), (665, 19130), (950, 13391), (1330, 9565), (1913, 6650), (3325, 3826)]