4084990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 9186912

約数和(自身を除く): 5101922

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 67, 70, 91, 130, 134, 182, 335, 455, 469, 670, 871, 910, 938, 1742, 2345, 4355, 4489, 4690, 6097, 8710, 8978, 12194, 22445, 30485, 31423, 44890, 58357, 60970, 62846, 116714, 157115, 291785, 314230, 408499, 583570, 816998, 2042495, 4084990]

約数ペア:

[(1, 4084990), (2, 2042495), (5, 816998), (7, 583570), (10, 408499), (13, 314230), (14, 291785), (26, 157115), (35, 116714), (65, 62846), (67, 60970), (70, 58357), (91, 44890), (130, 31423), (134, 30485), (182, 22445), (335, 12194), (455, 8978), (469, 8710), (670, 6097), (871, 4690), (910, 4489), (938, 4355), (1742, 2345)]