3458780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 8001504

約数和(自身を除く): 4542724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 251, 260, 265, 502, 530, 689, 1004, 1060, 1255, 1378, 2510, 2756, 3263, 3445, 5020, 6526, 6890, 13052, 13303, 13780, 16315, 26606, 32630, 53212, 65260, 66515, 133030, 172939, 266060, 345878, 691756, 864695, 1729390, 3458780]

約数ペア:

[(1, 3458780), (2, 1729390), (4, 864695), (5, 691756), (10, 345878), (13, 266060), (20, 172939), (26, 133030), (52, 66515), (53, 65260), (65, 53212), (106, 32630), (130, 26606), (212, 16315), (251, 13780), (260, 13303), (265, 13052), (502, 6890), (530, 6526), (689, 5020), (1004, 3445), (1060, 3263), (1255, 2756), (1378, 2510)]