530181320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{6907}}^1$

素因数の和:7038

約数の個数: 64

約数和(自身を含む): 1268308800

約数和(自身を除く): 738127480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 3838, 4040, 6907, 7676, 9595, 13814, 15352, 19190, 27628, 34535, 38380, 55256, 69070, 76760, 131233, 138140, 262466, 276280, 524932, 656165, 697607, 1049864, 1312330, 1395214, 2624660, 2790428, 3488035, 5249320, 5580856, 6976070, 13254533, 13952140, 26509066, 27904280, 53018132, 66272665, 106036264, 132545330, 265090660, 530181320]

約数ペア:

[(1, 530181320), (2, 265090660), (4, 132545330), (5, 106036264), (8, 66272665), (10, 53018132), (19, 27904280), (20, 26509066), (38, 13952140), (40, 13254533), (76, 6976070), (95, 5580856), (101, 5249320), (152, 3488035), (190, 2790428), (202, 2624660), (380, 1395214), (404, 1312330), (505, 1049864), (760, 697607), (808, 656165), (1010, 524932), (1919, 276280), (2020, 262466), (3838, 138140), (4040, 131233), (6907, 76760), (7676, 69070), (9595, 55256), (13814, 38380), (15352, 34535), (19190, 27628)]