30325820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 73156608

約数和(自身を除く): 42830788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 863, 1004, 1255, 1726, 1757, 2510, 3452, 3514, 4315, 5020, 6041, 7028, 8630, 8785, 12082, 17260, 17570, 24164, 30205, 35140, 60410, 120820, 216613, 433226, 866452, 1083065, 1516291, 2166130, 3032582, 4332260, 6065164, 7581455, 15162910, 30325820]

約数ペア:

[(1, 30325820), (2, 15162910), (4, 7581455), (5, 6065164), (7, 4332260), (10, 3032582), (14, 2166130), (20, 1516291), (28, 1083065), (35, 866452), (70, 433226), (140, 216613), (251, 120820), (502, 60410), (863, 35140), (1004, 30205), (1255, 24164), (1726, 17570), (1757, 17260), (2510, 12082), (3452, 8785), (3514, 8630), (4315, 7028), (5020, 6041)]