221619520

素因数分解:

$2^6\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1483}}^1$

素因数の和:1967

約数の個数: 56

約数和(自身を含む): 529218144

約数和(自身を除く): 307598624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 467, 934, 1483, 1868, 2335, 2966, 3736, 4670, 5932, 7415, 7472, 9340, 11864, 14830, 14944, 18680, 23728, 29660, 29888, 37360, 47456, 59320, 74720, 94912, 118640, 149440, 237280, 474560, 692561, 1385122, 2770244, 3462805, 5540488, 6925610, 11080976, 13851220, 22161952, 27702440, 44323904, 55404880, 110809760, 221619520]

約数ペア:

[(1, 221619520), (2, 110809760), (4, 55404880), (5, 44323904), (8, 27702440), (10, 22161952), (16, 13851220), (20, 11080976), (32, 6925610), (40, 5540488), (64, 3462805), (80, 2770244), (160, 1385122), (320, 692561), (467, 474560), (934, 237280), (1483, 149440), (1868, 118640), (2335, 94912), (2966, 74720), (3736, 59320), (4670, 47456), (5932, 37360), (7415, 29888), (7472, 29660), (9340, 23728), (11864, 18680), (14830, 14944)]