148975460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{240283}}^1$

素因数の和:240323

約数の個数: 24

約数和(自身を含む): 322941696

約数和(自身を除く): 173966236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 240283, 480566, 961132, 1201415, 2402830, 4805660, 7448773, 14897546, 29795092, 37243865, 74487730, 148975460]

約数ペア:

[(1, 148975460), (2, 74487730), (4, 37243865), (5, 29795092), (10, 14897546), (20, 7448773), (31, 4805660), (62, 2402830), (124, 1201415), (155, 961132), (310, 480566), (620, 240283)]