172331480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138977}}^1$

素因数の和:139019

約数の個数: 32

約数和(自身を含む): 400256640

約数和(自身を除く): 227925160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 138977, 277954, 555908, 694885, 1111816, 1389770, 2779540, 4308287, 5559080, 8616574, 17233148, 21541435, 34466296, 43082870, 86165740, 172331480]

約数ペア:

[(1, 172331480), (2, 86165740), (4, 43082870), (5, 34466296), (8, 21541435), (10, 17233148), (20, 8616574), (31, 5559080), (40, 4308287), (62, 2779540), (124, 1389770), (155, 1111816), (248, 694885), (310, 555908), (620, 277954), (1240, 138977)]