30813140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 67631760

約数和(自身を除く): 36818620

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 709, 820, 1060, 1418, 2173, 2836, 3545, 4346, 7090, 8692, 10865, 14180, 21730, 29069, 37577, 43460, 58138, 75154, 116276, 145345, 150308, 187885, 290690, 375770, 581380, 751540, 1540657, 3081314, 6162628, 7703285, 15406570, 30813140]

約数ペア:

[(1, 30813140), (2, 15406570), (4, 7703285), (5, 6162628), (10, 3081314), (20, 1540657), (41, 751540), (53, 581380), (82, 375770), (106, 290690), (164, 187885), (205, 150308), (212, 145345), (265, 116276), (410, 75154), (530, 58138), (709, 43460), (820, 37577), (1060, 29069), (1418, 21730), (2173, 14180), (2836, 10865), (3545, 8692), (4346, 7090)]