257399070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{295861}}^1$

素因数の和:295900

約数の個数: 32

約数和(自身を含む): 639061920

約数和(自身を除く): 381662850

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 295861, 591722, 887583, 1479305, 1775166, 2958610, 4437915, 8579969, 8875830, 17159938, 25739907, 42899845, 51479814, 85799690, 128699535, 257399070]

約数ペア:

[(1, 257399070), (2, 128699535), (3, 85799690), (5, 51479814), (6, 42899845), (10, 25739907), (15, 17159938), (29, 8875830), (30, 8579969), (58, 4437915), (87, 2958610), (145, 1775166), (174, 1479305), (290, 887583), (435, 591722), (870, 295861)]