3821660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 8618400

約数和(自身を除く): 4796740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 113, 178, 190, 226, 356, 380, 445, 452, 565, 890, 1130, 1691, 1780, 2147, 2260, 3382, 4294, 6764, 8455, 8588, 10057, 10735, 16910, 20114, 21470, 33820, 40228, 42940, 50285, 100570, 191083, 201140, 382166, 764332, 955415, 1910830, 3821660]

約数ペア:

[(1, 3821660), (2, 1910830), (4, 955415), (5, 764332), (10, 382166), (19, 201140), (20, 191083), (38, 100570), (76, 50285), (89, 42940), (95, 40228), (113, 33820), (178, 21470), (190, 20114), (226, 16910), (356, 10735), (380, 10057), (445, 8588), (452, 8455), (565, 6764), (890, 4294), (1130, 3382), (1691, 2260), (1780, 2147)]