210348520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 485280720

約数和(自身を除く): 274932200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 313, 317, 424, 530, 626, 634, 1060, 1252, 1268, 1565, 1585, 2120, 2504, 2536, 3130, 3170, 6260, 6340, 12520, 12680, 16589, 16801, 33178, 33602, 66356, 67204, 82945, 84005, 99221, 132712, 134408, 165890, 168010, 198442, 331780, 336020, 396884, 496105, 663560, 672040, 793768, 992210, 1984420, 3968840, 5258713, 10517426, 21034852, 26293565, 42069704, 52587130, 105174260, 210348520]

約数ペア:

[(1, 210348520), (2, 105174260), (4, 52587130), (5, 42069704), (8, 26293565), (10, 21034852), (20, 10517426), (40, 5258713), (53, 3968840), (106, 1984420), (212, 992210), (265, 793768), (313, 672040), (317, 663560), (424, 496105), (530, 396884), (626, 336020), (634, 331780), (1060, 198442), (1252, 168010), (1268, 165890), (1565, 134408), (1585, 132712), (2120, 99221), (2504, 84005), (2536, 82945), (3130, 67204), (3170, 66356), (6260, 33602), (6340, 33178), (12520, 16801), (12680, 16589)]