207645620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 539943936

約数和(自身を除く): 332298316

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 271, 364, 421, 455, 542, 842, 910, 1084, 1355, 1684, 1820, 1897, 2105, 2710, 2947, 3523, 3794, 4210, 5420, 5473, 5894, 7046, 7588, 8420, 9485, 10946, 11788, 14092, 14735, 17615, 18970, 21892, 24661, 27365, 29470, 35230, 37940, 38311, 49322, 54730, 58940, 70460, 76622, 98644, 109460, 114091, 123305, 153244, 191555, 228182, 246610, 383110, 456364, 493220, 570455, 766220, 798637, 1140910, 1483183, 1597274, 2281820, 2966366, 3194548, 3993185, 5932732, 7415915, 7986370, 10382281, 14831830, 15972740, 20764562, 29663660, 41529124, 51911405, 103822810, 207645620]

約数ペア:

[(1, 207645620), (2, 103822810), (4, 51911405), (5, 41529124), (7, 29663660), (10, 20764562), (13, 15972740), (14, 14831830), (20, 10382281), (26, 7986370), (28, 7415915), (35, 5932732), (52, 3993185), (65, 3194548), (70, 2966366), (91, 2281820), (130, 1597274), (140, 1483183), (182, 1140910), (260, 798637), (271, 766220), (364, 570455), (421, 493220), (455, 456364), (542, 383110), (842, 246610), (910, 228182), (1084, 191555), (1355, 153244), (1684, 123305), (1820, 114091), (1897, 109460), (2105, 98644), (2710, 76622), (2947, 70460), (3523, 58940), (3794, 54730), (4210, 49322), (5420, 38311), (5473, 37940), (5894, 35230), (7046, 29470), (7588, 27365), (8420, 24661), (9485, 21892), (10946, 18970), (11788, 17615), (14092, 14735)]