1220355584

素因数分解:

$2^9\times 7^3\times {\mathrm{6949}}^1$

素因数の和:6988

約数の個数: 80

約数和(自身を含む): 2843940000

約数和(自身を除く): 1623584416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 1372, 1568, 1792, 2744, 3136, 3584, 5488, 6272, 6949, 10976, 12544, 13898, 21952, 25088, 27796, 43904, 48643, 55592, 87808, 97286, 111184, 175616, 194572, 222368, 340501, 389144, 444736, 681002, 778288, 889472, 1362004, 1556576, 1778944, 2383507, 2724008, 3113152, 3557888, 4767014, 5448016, 6226304, 9534028, 10896032, 12452608, 19068056, 21792064, 24905216, 38136112, 43584128, 76272224, 87168256, 152544448, 174336512, 305088896, 610177792, 1220355584]

約数ペア:

[(1, 1220355584), (2, 610177792), (4, 305088896), (7, 174336512), (8, 152544448), (14, 87168256), (16, 76272224), (28, 43584128), (32, 38136112), (49, 24905216), (56, 21792064), (64, 19068056), (98, 12452608), (112, 10896032), (128, 9534028), (196, 6226304), (224, 5448016), (256, 4767014), (343, 3557888), (392, 3113152), (448, 2724008), (512, 2383507), (686, 1778944), (784, 1556576), (896, 1362004), (1372, 889472), (1568, 778288), (1792, 681002), (2744, 444736), (3136, 389144), (3584, 340501), (5488, 222368), (6272, 194572), (6949, 175616), (10976, 111184), (12544, 97286), (13898, 87808), (21952, 55592), (25088, 48643), (27796, 43904)]