139945340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3851}}^1$

素因数の和:3962

約数の個数: 48

約数和(自身を含む): 310625280

約数和(自身を除く): 170679940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 3851, 7268, 7702, 9085, 15404, 18170, 19255, 36340, 38510, 77020, 88573, 177146, 304229, 354292, 442865, 608458, 885730, 1216916, 1521145, 1771460, 3042290, 6084580, 6997267, 13994534, 27989068, 34986335, 69972670, 139945340]

約数ペア:

[(1, 139945340), (2, 69972670), (4, 34986335), (5, 27989068), (10, 13994534), (20, 6997267), (23, 6084580), (46, 3042290), (79, 1771460), (92, 1521145), (115, 1216916), (158, 885730), (230, 608458), (316, 442865), (395, 354292), (460, 304229), (790, 177146), (1580, 88573), (1817, 77020), (3634, 38510), (3851, 36340), (7268, 19255), (7702, 18170), (9085, 15404)]