198123520

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{691}}^1$

素因数の和:729

約数の個数: 112

約数和(自身を含む): 544177728

約数和(自身を除く): 346054208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 691, 896, 1024, 1120, 1280, 1382, 1792, 2048, 2240, 2560, 2764, 3455, 3584, 4096, 4480, 4837, 5120, 5528, 6910, 7168, 8192, 8960, 9674, 10240, 11056, 13820, 14336, 17920, 19348, 20480, 22112, 24185, 27640, 28672, 35840, 38696, 40960, 44224, 48370, 55280, 57344, 71680, 77392, 88448, 96740, 110560, 143360, 154784, 176896, 193480, 221120, 286720, 309568, 353792, 386960, 442240, 619136, 707584, 773920, 884480, 1238272, 1415168, 1547840, 1768960, 2476544, 2830336, 3095680, 3537920, 4953088, 5660672, 6191360, 7075840, 9906176, 12382720, 14151680, 19812352, 24765440, 28303360, 39624704, 49530880, 99061760, 198123520]

約数ペア:

[(1, 198123520), (2, 99061760), (4, 49530880), (5, 39624704), (7, 28303360), (8, 24765440), (10, 19812352), (14, 14151680), (16, 12382720), (20, 9906176), (28, 7075840), (32, 6191360), (35, 5660672), (40, 4953088), (56, 3537920), (64, 3095680), (70, 2830336), (80, 2476544), (112, 1768960), (128, 1547840), (140, 1415168), (160, 1238272), (224, 884480), (256, 773920), (280, 707584), (320, 619136), (448, 442240), (512, 386960), (560, 353792), (640, 309568), (691, 286720), (896, 221120), (1024, 193480), (1120, 176896), (1280, 154784), (1382, 143360), (1792, 110560), (2048, 96740), (2240, 88448), (2560, 77392), (2764, 71680), (3455, 57344), (3584, 55280), (4096, 48370), (4480, 44224), (4837, 40960), (5120, 38696), (5528, 35840), (6910, 28672), (7168, 27640), (8192, 24185), (8960, 22112), (9674, 20480), (10240, 19348), (11056, 17920), (13820, 14336)]