520121290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{235349}}^1$

素因数の和:235386

約数の個数: 32

約数和(自身を含む): 1067547600

約数和(自身を除く): 547426310

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 235349, 470698, 1176745, 2353490, 3059537, 4000933, 6119074, 8001866, 15297685, 20004665, 30595370, 40009330, 52012129, 104024258, 260060645, 520121290]

約数ペア:

[(1, 520121290), (2, 260060645), (5, 104024258), (10, 52012129), (13, 40009330), (17, 30595370), (26, 20004665), (34, 15297685), (65, 8001866), (85, 6119074), (130, 4000933), (170, 3059537), (221, 2353490), (442, 1176745), (1105, 470698), (2210, 235349)]