189723520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{42349}}^1$

素因数の和:42375

約数の個数: 64

約数和(自身を含む): 518364000

約数和(自身を除く): 328640480

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 42349, 84698, 169396, 211745, 296443, 338792, 423490, 592886, 677584, 846980, 1185772, 1355168, 1482215, 1693960, 2371544, 2710336, 2964430, 3387920, 4743088, 5420672, 5928860, 6775840, 9486176, 11857720, 13551680, 18972352, 23715440, 27103360, 37944704, 47430880, 94861760, 189723520]

約数ペア:

[(1, 189723520), (2, 94861760), (4, 47430880), (5, 37944704), (7, 27103360), (8, 23715440), (10, 18972352), (14, 13551680), (16, 11857720), (20, 9486176), (28, 6775840), (32, 5928860), (35, 5420672), (40, 4743088), (56, 3387920), (64, 2964430), (70, 2710336), (80, 2371544), (112, 1693960), (128, 1482215), (140, 1355168), (160, 1185772), (224, 846980), (280, 677584), (320, 592886), (448, 423490), (560, 338792), (640, 296443), (896, 211745), (1120, 169396), (2240, 84698), (4480, 42349)]