201930860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3823}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 449702400

約数和(自身を除く): 247771540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 3823, 5282, 7646, 10564, 13205, 15292, 19115, 26410, 38230, 52820, 72637, 76460, 145274, 290548, 363185, 531397, 726370, 1062794, 1452740, 2125588, 2656985, 5313970, 10096543, 10627940, 20193086, 40386172, 50482715, 100965430, 201930860]

約数ペア:

[(1, 201930860), (2, 100965430), (4, 50482715), (5, 40386172), (10, 20193086), (19, 10627940), (20, 10096543), (38, 5313970), (76, 2656985), (95, 2125588), (139, 1452740), (190, 1062794), (278, 726370), (380, 531397), (556, 363185), (695, 290548), (1390, 145274), (2641, 76460), (2780, 72637), (3823, 52820), (5282, 38230), (7646, 26410), (10564, 19115), (13205, 15292)]