84706940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{222913}}^1$

素因数の和:222941

約数の個数: 24

約数和(自身を含む): 187247760

約数和(自身を除く): 102540820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 222913, 445826, 891652, 1114565, 2229130, 4235347, 4458260, 8470694, 16941388, 21176735, 42353470, 84706940]

約数ペア:

[(1, 84706940), (2, 42353470), (4, 21176735), (5, 16941388), (10, 8470694), (19, 4458260), (20, 4235347), (38, 2229130), (76, 1114565), (95, 891652), (190, 445826), (380, 222913)]