157855460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{23011}}^1$

素因数の和:23041

約数の個数: 48

約数和(自身を含む): 386601600

約数和(自身を除く): 228746140

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, 3430, 6860, 23011, 46022, 92044, 115055, 161077, 230110, 322154, 460220, 644308, 805385, 1127539, 1610770, 2255078, 3221540, 4510156, 5637695, 7892773, 11275390, 15785546, 22550780, 31571092, 39463865, 78927730, 157855460]

約数ペア:

[(1, 157855460), (2, 78927730), (4, 39463865), (5, 31571092), (7, 22550780), (10, 15785546), (14, 11275390), (20, 7892773), (28, 5637695), (35, 4510156), (49, 3221540), (70, 2255078), (98, 1610770), (140, 1127539), (196, 805385), (245, 644308), (343, 460220), (490, 322154), (686, 230110), (980, 161077), (1372, 115055), (1715, 92044), (3430, 46022), (6860, 23011)]