156405860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2851}}^1$

素因数の和:3084

約数の個数: 48

約数和(自身を含む): 355518912

約数和(自身を除く): 199113052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 2851, 4220, 5486, 5702, 10972, 11404, 13715, 14255, 27430, 28510, 37063, 54860, 57020, 74126, 148252, 185315, 370630, 601561, 741260, 1203122, 2406244, 3007805, 6015610, 7820293, 12031220, 15640586, 31281172, 39101465, 78202930, 156405860]

約数ペア:

[(1, 156405860), (2, 78202930), (4, 39101465), (5, 31281172), (10, 15640586), (13, 12031220), (20, 7820293), (26, 6015610), (52, 3007805), (65, 2406244), (130, 1203122), (211, 741260), (260, 601561), (422, 370630), (844, 185315), (1055, 148252), (2110, 74126), (2743, 57020), (2851, 54860), (4220, 37063), (5486, 28510), (5702, 27430), (10972, 14255), (11404, 13715)]