385857020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{1447}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 827097600

約数和(自身を除く): 441240580

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 199, 268, 335, 398, 670, 796, 995, 1340, 1447, 1990, 2894, 3980, 5788, 7235, 13333, 14470, 26666, 28940, 53332, 66665, 96949, 133330, 193898, 266660, 287953, 387796, 484745, 575906, 969490, 1151812, 1439765, 1938980, 2879530, 5759060, 19292851, 38585702, 77171404, 96464255, 192928510, 385857020]

約数ペア:

[(1, 385857020), (2, 192928510), (4, 96464255), (5, 77171404), (10, 38585702), (20, 19292851), (67, 5759060), (134, 2879530), (199, 1938980), (268, 1439765), (335, 1151812), (398, 969490), (670, 575906), (796, 484745), (995, 387796), (1340, 287953), (1447, 266660), (1990, 193898), (2894, 133330), (3980, 96949), (5788, 66665), (7235, 53332), (13333, 28940), (14470, 26666)]