397156970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 835875072

約数和(自身を除く): 438718102

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 281, 305, 331, 427, 562, 610, 662, 854, 1405, 1655, 1967, 2135, 2317, 2810, 3310, 3934, 4270, 4634, 9835, 11585, 17141, 19670, 20191, 23170, 34282, 40382, 85705, 93011, 100955, 119987, 141337, 171410, 186022, 201910, 239974, 282674, 465055, 599935, 651077, 706685, 930110, 1199870, 1302154, 1413370, 3255385, 5673671, 6510770, 11347342, 28368355, 39715697, 56736710, 79431394, 198578485, 397156970]

約数ペア:

[(1, 397156970), (2, 198578485), (5, 79431394), (7, 56736710), (10, 39715697), (14, 28368355), (35, 11347342), (61, 6510770), (70, 5673671), (122, 3255385), (281, 1413370), (305, 1302154), (331, 1199870), (427, 930110), (562, 706685), (610, 651077), (662, 599935), (854, 465055), (1405, 282674), (1655, 239974), (1967, 201910), (2135, 186022), (2317, 171410), (2810, 141337), (3310, 119987), (3934, 100955), (4270, 93011), (4634, 85705), (9835, 40382), (11585, 34282), (17141, 23170), (19670, 20191)]