15140020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2207}}^1$

素因数の和:2237

約数の個数: 48

約数和(自身を含む): 37094400

約数和(自身を除く): 21954380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2207, 3430, 4414, 6860, 8828, 11035, 15449, 22070, 30898, 44140, 61796, 77245, 108143, 154490, 216286, 308980, 432572, 540715, 757001, 1081430, 1514002, 2162860, 3028004, 3785005, 7570010, 15140020]

約数ペア:

[(1, 15140020), (2, 7570010), (4, 3785005), (5, 3028004), (7, 2162860), (10, 1514002), (14, 1081430), (20, 757001), (28, 540715), (35, 432572), (49, 308980), (70, 216286), (98, 154490), (140, 108143), (196, 77245), (245, 61796), (343, 44140), (490, 30898), (686, 22070), (980, 15449), (1372, 11035), (1715, 8828), (2207, 6860), (3430, 4414)]