128993200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2051

約数の個数: 120

約数和(自身を含む): 369762048

約数和(自身を除く): 240768848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 1840, 2003, 2300, 2576, 2800, 3220, 4006, 4025, 4600, 6440, 8012, 8050, 9200, 10015, 12880, 14021, 16024, 16100, 20030, 28042, 32048, 32200, 40060, 46069, 50075, 56084, 64400, 70105, 80120, 92138, 100150, 112168, 140210, 160240, 184276, 200300, 224336, 230345, 280420, 322483, 350525, 368552, 400600, 460690, 560840, 644966, 701050, 737104, 801200, 921380, 1121680, 1151725, 1289932, 1402100, 1612415, 1842760, 2303450, 2579864, 2804200, 3224830, 3685520, 4606900, 5159728, 5608400, 6449660, 8062075, 9213800, 12899320, 16124150, 18427600, 25798640, 32248300, 64496600, 128993200]

約数ペア:

[(1, 128993200), (2, 64496600), (4, 32248300), (5, 25798640), (7, 18427600), (8, 16124150), (10, 12899320), (14, 9213800), (16, 8062075), (20, 6449660), (23, 5608400), (25, 5159728), (28, 4606900), (35, 3685520), (40, 3224830), (46, 2804200), (50, 2579864), (56, 2303450), (70, 1842760), (80, 1612415), (92, 1402100), (100, 1289932), (112, 1151725), (115, 1121680), (140, 921380), (161, 801200), (175, 737104), (184, 701050), (200, 644966), (230, 560840), (280, 460690), (322, 400600), (350, 368552), (368, 350525), (400, 322483), (460, 280420), (560, 230345), (575, 224336), (644, 200300), (700, 184276), (805, 160240), (920, 140210), (1150, 112168), (1288, 100150), (1400, 92138), (1610, 80120), (1840, 70105), (2003, 64400), (2300, 56084), (2576, 50075), (2800, 46069), (3220, 40060), (4006, 32200), (4025, 32048), (4600, 28042), (6440, 20030), (8012, 16100), (8050, 16024), (9200, 14021), (10015, 12880)]