157883320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{563869}}^1$

素因数の和:563887

約数の個数: 32

約数和(自身を含む): 405986400

約数和(自身を除く): 248103080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 563869, 1127738, 2255476, 2819345, 3947083, 4510952, 5638690, 7894166, 11277380, 15788332, 19735415, 22554760, 31576664, 39470830, 78941660, 157883320]

約数ペア:

[(1, 157883320), (2, 78941660), (4, 39470830), (5, 31576664), (7, 22554760), (8, 19735415), (10, 15788332), (14, 11277380), (20, 7894166), (28, 5638690), (35, 4510952), (40, 3947083), (56, 2819345), (70, 2255476), (140, 1127738), (280, 563869)]