187989760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{20981}}^1$

素因数の和:21009

約数の個数: 72

約数和(自身を含む): 514646496

約数和(自身を除く): 326656736

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 20981, 41962, 83924, 104905, 146867, 167848, 209810, 293734, 335696, 419620, 587468, 671392, 734335, 839240, 1174936, 1342784, 1468670, 1678480, 2349872, 2685568, 2937340, 3356960, 4699744, 5371136, 5874680, 6713920, 9399488, 11749360, 13427840, 18798976, 23498720, 26855680, 37597952, 46997440, 93994880, 187989760]

約数ペア:

[(1, 187989760), (2, 93994880), (4, 46997440), (5, 37597952), (7, 26855680), (8, 23498720), (10, 18798976), (14, 13427840), (16, 11749360), (20, 9399488), (28, 6713920), (32, 5874680), (35, 5371136), (40, 4699744), (56, 3356960), (64, 2937340), (70, 2685568), (80, 2349872), (112, 1678480), (128, 1468670), (140, 1342784), (160, 1174936), (224, 839240), (256, 734335), (280, 671392), (320, 587468), (448, 419620), (560, 335696), (640, 293734), (896, 209810), (1120, 167848), (1280, 146867), (1792, 104905), (2240, 83924), (4480, 41962), (8960, 20981)]