386799340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{11437}}^1$

素因数の和:11554

約数の個数: 48

約数和(自身を含む): 864712800

約数和(自身を除く): 477913460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 11437, 16910, 22874, 33820, 45748, 57185, 114370, 217303, 228740, 434606, 869212, 1017893, 1086515, 2035786, 2173030, 4071572, 4346060, 5089465, 10178930, 19339967, 20357860, 38679934, 77359868, 96699835, 193399670, 386799340]

約数ペア:

[(1, 386799340), (2, 193399670), (4, 96699835), (5, 77359868), (10, 38679934), (19, 20357860), (20, 19339967), (38, 10178930), (76, 5089465), (89, 4346060), (95, 4071572), (178, 2173030), (190, 2035786), (356, 1086515), (380, 1017893), (445, 869212), (890, 434606), (1691, 228740), (1780, 217303), (3382, 114370), (6764, 57185), (8455, 45748), (11437, 33820), (16910, 22874)]