69839860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 150232320

約数和(自身を除く): 80392460

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 359, 548, 685, 710, 718, 1370, 1420, 1436, 1795, 2740, 3590, 7180, 9727, 19454, 25489, 38908, 48635, 49183, 50978, 97270, 98366, 101956, 127445, 194540, 196732, 245915, 254890, 491830, 509780, 983660, 3491993, 6983986, 13967972, 17459965, 34919930, 69839860]

約数ペア:

[(1, 69839860), (2, 34919930), (4, 17459965), (5, 13967972), (10, 6983986), (20, 3491993), (71, 983660), (137, 509780), (142, 491830), (274, 254890), (284, 245915), (355, 196732), (359, 194540), (548, 127445), (685, 101956), (710, 98366), (718, 97270), (1370, 50978), (1420, 49183), (1436, 48635), (1795, 38908), (2740, 25489), (3590, 19454), (7180, 9727)]