209418910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{2909}}^1$

素因数の和:3252

約数の個数: 32

約数和(自身を含む): 394735680

約数和(自身を除く): 185316770

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 313, 626, 1565, 2909, 3130, 5818, 7199, 14398, 14545, 29090, 35995, 66907, 71990, 133814, 334535, 669070, 910517, 1821034, 4552585, 9105170, 20941891, 41883782, 104709455, 209418910]

約数ペア:

[(1, 209418910), (2, 104709455), (5, 41883782), (10, 20941891), (23, 9105170), (46, 4552585), (115, 1821034), (230, 910517), (313, 669070), (626, 334535), (1565, 133814), (2909, 71990), (3130, 66907), (5818, 35995), (7199, 29090), (14398, 14545)]