78134120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 183330000

約数和(自身を除く): 105195880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 193, 232, 290, 349, 386, 580, 698, 772, 965, 1160, 1396, 1544, 1745, 1930, 2792, 3490, 3860, 5597, 6980, 7720, 10121, 11194, 13960, 20242, 22388, 27985, 40484, 44776, 50605, 55970, 67357, 80968, 101210, 111940, 134714, 202420, 223880, 269428, 336785, 404840, 538856, 673570, 1347140, 1953353, 2694280, 3906706, 7813412, 9766765, 15626824, 19533530, 39067060, 78134120]

約数ペア:

[(1, 78134120), (2, 39067060), (4, 19533530), (5, 15626824), (8, 9766765), (10, 7813412), (20, 3906706), (29, 2694280), (40, 1953353), (58, 1347140), (116, 673570), (145, 538856), (193, 404840), (232, 336785), (290, 269428), (349, 223880), (386, 202420), (580, 134714), (698, 111940), (772, 101210), (965, 80968), (1160, 67357), (1396, 55970), (1544, 50605), (1745, 44776), (1930, 40484), (2792, 27985), (3490, 22388), (3860, 20242), (5597, 13960), (6980, 11194), (7720, 10121)]