78215590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1951}}^1$

素因数の和:2188

約数の個数: 32

約数和(自身を含む): 148976640

約数和(自身を除く): 70761050

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 1951, 2110, 3902, 4009, 8018, 9755, 19510, 20045, 37069, 40090, 74138, 185345, 370690, 411661, 823322, 2058305, 4116610, 7821559, 15643118, 39107795, 78215590]

約数ペア:

[(1, 78215590), (2, 39107795), (5, 15643118), (10, 7821559), (19, 4116610), (38, 2058305), (95, 823322), (190, 411661), (211, 370690), (422, 185345), (1055, 74138), (1951, 40090), (2110, 37069), (3902, 20045), (4009, 19510), (8018, 9755)]