2003016820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{13613}}^1$

素因数の和:14680

約数の個数: 48

約数和(自身を含む): 4812167808

約数和(自身を除く): 2809150988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1051, 2102, 4204, 5255, 7357, 10510, 13613, 14714, 21020, 27226, 29428, 36785, 54452, 68065, 73570, 95291, 136130, 147140, 190582, 272260, 381164, 476455, 952910, 1905820, 14307263, 28614526, 57229052, 71536315, 100150841, 143072630, 200301682, 286145260, 400603364, 500754205, 1001508410, 2003016820]

約数ペア:

[(1, 2003016820), (2, 1001508410), (4, 500754205), (5, 400603364), (7, 286145260), (10, 200301682), (14, 143072630), (20, 100150841), (28, 71536315), (35, 57229052), (70, 28614526), (140, 14307263), (1051, 1905820), (2102, 952910), (4204, 476455), (5255, 381164), (7357, 272260), (10510, 190582), (13613, 147140), (14714, 136130), (21020, 95291), (27226, 73570), (29428, 68065), (36785, 54452)]