31014280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70487}}^1$

素因数の和:70509

約数の個数: 32

約数和(自身を含む): 76127040

約数和(自身を除く): 45112760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70487, 140974, 281948, 352435, 563896, 704870, 775357, 1409740, 1550714, 2819480, 3101428, 3876785, 6202856, 7753570, 15507140, 31014280]

約数ペア:

[(1, 31014280), (2, 15507140), (4, 7753570), (5, 6202856), (8, 3876785), (10, 3101428), (11, 2819480), (20, 1550714), (22, 1409740), (40, 775357), (44, 704870), (55, 563896), (88, 352435), (110, 281948), (220, 140974), (440, 70487)]