131508820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4513}}^1$

素因数の和:4600

約数の個数: 48

約数和(自身を含む): 291207168

約数和(自身を除く): 159698348

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 4513, 5828, 7285, 9026, 14570, 18052, 22565, 29140, 45130, 90260, 139903, 212111, 279806, 424222, 559612, 699515, 848444, 1060555, 1399030, 2121110, 2798060, 4242220, 6575441, 13150882, 26301764, 32877205, 65754410, 131508820]

約数ペア:

[(1, 131508820), (2, 65754410), (4, 32877205), (5, 26301764), (10, 13150882), (20, 6575441), (31, 4242220), (47, 2798060), (62, 2121110), (94, 1399030), (124, 1060555), (155, 848444), (188, 699515), (235, 559612), (310, 424222), (470, 279806), (620, 212111), (940, 139903), (1457, 90260), (2914, 45130), (4513, 29140), (5828, 22565), (7285, 18052), (9026, 14570)]