1949778880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{870437}}^1$

素因数の和:870461

約数の個数: 56

約数和(自身を含む): 5306190048

約数和(自身を除く): 3356411168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 870437, 1740874, 3481748, 4352185, 6093059, 6963496, 8704370, 12186118, 13926992, 17408740, 24372236, 27853984, 30465295, 34817480, 48744472, 55707968, 60930590, 69634960, 97488944, 121861180, 139269920, 194977888, 243722360, 278539840, 389955776, 487444720, 974889440, 1949778880]

約数ペア:

[(1, 1949778880), (2, 974889440), (4, 487444720), (5, 389955776), (7, 278539840), (8, 243722360), (10, 194977888), (14, 139269920), (16, 121861180), (20, 97488944), (28, 69634960), (32, 60930590), (35, 55707968), (40, 48744472), (56, 34817480), (64, 30465295), (70, 27853984), (80, 24372236), (112, 17408740), (140, 13926992), (160, 12186118), (224, 8704370), (280, 6963496), (320, 6093059), (448, 4352185), (560, 3481748), (1120, 1740874), (2240, 870437)]