802940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 1775760

約数和(自身を除く): 972820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2113, 4226, 8452, 10565, 21130, 40147, 42260, 80294, 160588, 200735, 401470, 802940]

約数ペア:

[(1, 802940), (2, 401470), (4, 200735), (5, 160588), (10, 80294), (19, 42260), (20, 40147), (38, 21130), (76, 10565), (95, 8452), (190, 4226), (380, 2113)]