389734410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1559}}^1$

素因数の和:2223

約数の個数: 64

約数和(自身を含む): 1009532160

約数和(自身を除く): 619797750

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 641, 1282, 1559, 1923, 3118, 3205, 3846, 4677, 6410, 7795, 8333, 9354, 9615, 15590, 16666, 19230, 20267, 23385, 24999, 40534, 41665, 46770, 49998, 60801, 83330, 101335, 121602, 124995, 202670, 249990, 304005, 608010, 999319, 1998638, 2997957, 4996595, 5995914, 9993190, 12991147, 14989785, 25982294, 29979570, 38973441, 64955735, 77946882, 129911470, 194867205, 389734410]

約数ペア:

[(1, 389734410), (2, 194867205), (3, 129911470), (5, 77946882), (6, 64955735), (10, 38973441), (13, 29979570), (15, 25982294), (26, 14989785), (30, 12991147), (39, 9993190), (65, 5995914), (78, 4996595), (130, 2997957), (195, 1998638), (390, 999319), (641, 608010), (1282, 304005), (1559, 249990), (1923, 202670), (3118, 124995), (3205, 121602), (3846, 101335), (4677, 83330), (6410, 60801), (7795, 49998), (8333, 46770), (9354, 41665), (9615, 40534), (15590, 24999), (16666, 23385), (19230, 20267)]