250990570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 502824960

約数和(自身を除く): 251834390

約数列:

[1, 2, 5, 10, 19, 31, 38, 43, 62, 86, 95, 155, 190, 215, 310, 430, 589, 817, 991, 1178, 1333, 1634, 1982, 2666, 2945, 4085, 4955, 5890, 6665, 8170, 9910, 13330, 18829, 25327, 30721, 37658, 42613, 50654, 61442, 85226, 94145, 126635, 153605, 188290, 213065, 253270, 307210, 426130, 583699, 809647, 1167398, 1321003, 1619294, 2642006, 2918495, 4048235, 5836990, 6605015, 8096470, 13210030, 25099057, 50198114, 125495285, 250990570]

約数ペア:

[(1, 250990570), (2, 125495285), (5, 50198114), (10, 25099057), (19, 13210030), (31, 8096470), (38, 6605015), (43, 5836990), (62, 4048235), (86, 2918495), (95, 2642006), (155, 1619294), (190, 1321003), (215, 1167398), (310, 809647), (430, 583699), (589, 426130), (817, 307210), (991, 253270), (1178, 213065), (1333, 188290), (1634, 153605), (1982, 126635), (2666, 94145), (2945, 85226), (4085, 61442), (4955, 50654), (5890, 42613), (6665, 37658), (8170, 30721), (9910, 25327), (13330, 18829)]