71970140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1181}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 165612384

約数和(自身を除く): 93642244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277, 554, 1108, 1181, 1385, 2362, 2770, 3047, 4724, 5540, 5905, 6094, 11810, 12188, 12991, 15235, 23620, 25982, 30470, 51964, 60940, 64955, 129910, 259820, 327137, 654274, 1308548, 1635685, 3271370, 3598507, 6542740, 7197014, 14394028, 17992535, 35985070, 71970140]

約数ペア:

[(1, 71970140), (2, 35985070), (4, 17992535), (5, 14394028), (10, 7197014), (11, 6542740), (20, 3598507), (22, 3271370), (44, 1635685), (55, 1308548), (110, 654274), (220, 327137), (277, 259820), (554, 129910), (1108, 64955), (1181, 60940), (1385, 51964), (2362, 30470), (2770, 25982), (3047, 23620), (4724, 15235), (5540, 12991), (5905, 12188), (6094, 11810)]