157215460

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{21419}}^1$

素因数の和:21795

約数の個数: 24

約数和(自身を含む): 331067520

約数和(自身を除く): 173852060

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 21419, 42838, 85676, 107095, 214190, 428380, 7860773, 15721546, 31443092, 39303865, 78607730, 157215460]

約数ペア:

[(1, 157215460), (2, 78607730), (4, 39303865), (5, 31443092), (10, 15721546), (20, 7860773), (367, 428380), (734, 214190), (1468, 107095), (1835, 85676), (3670, 42838), (7340, 21419)]