220544240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17123}}^1$

素因数の和:17166

約数の個数: 80

約数和(自身を含む): 611532288

約数和(自身を除く): 390988048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 17123, 34246, 68492, 85615, 119861, 136984, 171230, 239722, 273968, 342460, 393829, 479444, 599305, 684920, 787658, 958888, 1198610, 1369840, 1575316, 1917776, 1969145, 2397220, 2756803, 3150632, 3938290, 4794440, 5513606, 6301264, 7876580, 9588880, 11027212, 13784015, 15753160, 22054424, 27568030, 31506320, 44108848, 55136060, 110272120, 220544240]

約数ペア:

[(1, 220544240), (2, 110272120), (4, 55136060), (5, 44108848), (7, 31506320), (8, 27568030), (10, 22054424), (14, 15753160), (16, 13784015), (20, 11027212), (23, 9588880), (28, 7876580), (35, 6301264), (40, 5513606), (46, 4794440), (56, 3938290), (70, 3150632), (80, 2756803), (92, 2397220), (112, 1969145), (115, 1917776), (140, 1575316), (161, 1369840), (184, 1198610), (230, 958888), (280, 787658), (322, 684920), (368, 599305), (460, 479444), (560, 393829), (644, 342460), (805, 273968), (920, 239722), (1288, 171230), (1610, 136984), (1840, 119861), (2576, 85615), (3220, 68492), (6440, 34246), (12880, 17123)]