278320443700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{214092649}}^1$

素因数の和:214092676

約数の個数: 36

約数和(自身を含む): 650413470700

約数和(自身を除く): 372093027000

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 214092649, 428185298, 856370596, 1070463245, 2140926490, 2783204437, 4281852980, 5352316225, 5566408874, 10704632450, 11132817748, 13916022185, 21409264900, 27832044370, 55664088740, 69580110925, 139160221850, 278320443700]

約数ペア:

[(1, 278320443700), (2, 139160221850), (4, 69580110925), (5, 55664088740), (10, 27832044370), (13, 21409264900), (20, 13916022185), (25, 11132817748), (26, 10704632450), (50, 5566408874), (52, 5352316225), (65, 4281852980), (100, 2783204437), (130, 2140926490), (260, 1070463245), (325, 856370596), (650, 428185298), (1300, 214092649)]