209789030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{17497}}^1$

素因数の和:17624

約数の個数: 32

約数和(自身を含む): 415752480

約数和(自身を除く): 205963450

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 2398, 5995, 11990, 17497, 34994, 87485, 174970, 192467, 384934, 962335, 1907173, 1924670, 3814346, 9535865, 19071730, 20978903, 41957806, 104894515, 209789030]

約数ペア:

[(1, 209789030), (2, 104894515), (5, 41957806), (10, 20978903), (11, 19071730), (22, 9535865), (55, 3814346), (109, 1924670), (110, 1907173), (218, 962335), (545, 384934), (1090, 192467), (1199, 174970), (2398, 87485), (5995, 34994), (11990, 17497)]