4737140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 10478160

約数和(自身を除く): 5741020

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 109, 164, 205, 212, 218, 265, 410, 436, 530, 545, 820, 1060, 1090, 2173, 2180, 4346, 4469, 5777, 8692, 8938, 10865, 11554, 17876, 21730, 22345, 23108, 28885, 43460, 44690, 57770, 89380, 115540, 236857, 473714, 947428, 1184285, 2368570, 4737140]

約数ペア:

[(1, 4737140), (2, 2368570), (4, 1184285), (5, 947428), (10, 473714), (20, 236857), (41, 115540), (53, 89380), (82, 57770), (106, 44690), (109, 43460), (164, 28885), (205, 23108), (212, 22345), (218, 21730), (265, 17876), (410, 11554), (436, 10865), (530, 8938), (545, 8692), (820, 5777), (1060, 4469), (1090, 4346), (2173, 2180)]