342909440

素因数分解:

$2^9\times 5^1\times {\mathrm{133949}}^1$

素因数の和:133972

約数の個数: 40

約数和(自身を含む): 822185100

約数和(自身を除く): 479275660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 133949, 267898, 535796, 669745, 1071592, 1339490, 2143184, 2678980, 4286368, 5357960, 8572736, 10715920, 17145472, 21431840, 34290944, 42863680, 68581888, 85727360, 171454720, 342909440]

約数ペア:

[(1, 342909440), (2, 171454720), (4, 85727360), (5, 68581888), (8, 42863680), (10, 34290944), (16, 21431840), (20, 17145472), (32, 10715920), (40, 8572736), (64, 5357960), (80, 4286368), (128, 2678980), (160, 2143184), (256, 1339490), (320, 1071592), (512, 669745), (640, 535796), (1280, 267898), (2560, 133949)]