170831780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2137}}^1$

素因数の和:2724

約数の個数: 48

約数和(自身を含む): 410906496

約数和(自身を除く): 240074716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2137, 2284, 2855, 3997, 4274, 5710, 7994, 8548, 10685, 11420, 14959, 15988, 19985, 21370, 29918, 39970, 42740, 59836, 74795, 79940, 149590, 299180, 1220227, 2440454, 4880908, 6101135, 8541589, 12202270, 17083178, 24404540, 34166356, 42707945, 85415890, 170831780]

約数ペア:

[(1, 170831780), (2, 85415890), (4, 42707945), (5, 34166356), (7, 24404540), (10, 17083178), (14, 12202270), (20, 8541589), (28, 6101135), (35, 4880908), (70, 2440454), (140, 1220227), (571, 299180), (1142, 149590), (2137, 79940), (2284, 74795), (2855, 59836), (3997, 42740), (4274, 39970), (5710, 29918), (7994, 21370), (8548, 19985), (10685, 15988), (11420, 14959)]