211779520

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12487}}^1$

素因数の和:12557

約数の個数: 56

約数和(自身を含む): 513856224

約数和(自身を除く): 302076704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 8480, 12487, 16960, 24974, 49948, 62435, 99896, 124870, 199792, 249740, 399584, 499480, 661811, 799168, 998960, 1323622, 1997920, 2647244, 3309055, 3995840, 5294488, 6618110, 10588976, 13236220, 21177952, 26472440, 42355904, 52944880, 105889760, 211779520]

約数ペア:

[(1, 211779520), (2, 105889760), (4, 52944880), (5, 42355904), (8, 26472440), (10, 21177952), (16, 13236220), (20, 10588976), (32, 6618110), (40, 5294488), (53, 3995840), (64, 3309055), (80, 2647244), (106, 1997920), (160, 1323622), (212, 998960), (265, 799168), (320, 661811), (424, 499480), (530, 399584), (848, 249740), (1060, 199792), (1696, 124870), (2120, 99896), (3392, 62435), (4240, 49948), (8480, 24974), (12487, 16960)]