61821820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4397}}^1$

素因数の和:4462

約数の個数: 48

約数和(自身を含む): 140384160

約数和(自身を除く): 78562340

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 4397, 7030, 8794, 14060, 17588, 21985, 43970, 83543, 87940, 162689, 167086, 325378, 334172, 417715, 650756, 813445, 835430, 1626890, 1670860, 3091091, 3253780, 6182182, 12364364, 15455455, 30910910, 61821820]

約数ペア:

[(1, 61821820), (2, 30910910), (4, 15455455), (5, 12364364), (10, 6182182), (19, 3253780), (20, 3091091), (37, 1670860), (38, 1626890), (74, 835430), (76, 813445), (95, 650756), (148, 417715), (185, 334172), (190, 325378), (370, 167086), (380, 162689), (703, 87940), (740, 83543), (1406, 43970), (2812, 21985), (3515, 17588), (4397, 14060), (7030, 8794)]