78346940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{857}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 188540352

約数和(自身を除く): 110193412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 857, 1306, 1714, 2612, 3265, 3428, 4285, 4571, 5999, 6530, 8570, 9142, 11998, 13060, 17140, 18284, 22855, 23996, 29995, 45710, 59990, 91420, 119980, 559621, 1119242, 2238484, 2798105, 3917347, 5596210, 7834694, 11192420, 15669388, 19586735, 39173470, 78346940]

約数ペア:

[(1, 78346940), (2, 39173470), (4, 19586735), (5, 15669388), (7, 11192420), (10, 7834694), (14, 5596210), (20, 3917347), (28, 2798105), (35, 2238484), (70, 1119242), (140, 559621), (653, 119980), (857, 91420), (1306, 59990), (1714, 45710), (2612, 29995), (3265, 23996), (3428, 22855), (4285, 18284), (4571, 17140), (5999, 13060), (6530, 11998), (8570, 9142)]