398236160

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 160

約数和(自身を含む): 1110143232

約数和(自身を除く): 711907072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 313, 320, 355, 448, 497, 512, 560, 568, 626, 640, 710, 896, 994, 1120, 1136, 1252, 1280, 1420, 1565, 1792, 1988, 2191, 2240, 2272, 2485, 2504, 2560, 2840, 3130, 3584, 3976, 4382, 4480, 4544, 4970, 5008, 5680, 6260, 7952, 8764, 8960, 9088, 9940, 10016, 10955, 11360, 12520, 15904, 17528, 17920, 18176, 19880, 20032, 21910, 22223, 22720, 25040, 31808, 35056, 36352, 39760, 40064, 43820, 44446, 45440, 50080, 63616, 70112, 79520, 80128, 87640, 88892, 90880, 100160, 111115, 127232, 140224, 155561, 159040, 160256, 175280, 177784, 181760, 200320, 222230, 254464, 280448, 311122, 318080, 350560, 355568, 400640, 444460, 560896, 622244, 636160, 701120, 711136, 777805, 801280, 888920, 1121792, 1244488, 1272320, 1402240, 1422272, 1555610, 1777840, 2488976, 2804480, 2844544, 3111220, 3555680, 4977952, 5608960, 5689088, 6222440, 7111360, 9955904, 11378176, 12444880, 14222720, 19911808, 24889760, 28445440, 39823616, 49779520, 56890880, 79647232, 99559040, 199118080, 398236160]

約数ペア:

[(1, 398236160), (2, 199118080), (4, 99559040), (5, 79647232), (7, 56890880), (8, 49779520), (10, 39823616), (14, 28445440), (16, 24889760), (20, 19911808), (28, 14222720), (32, 12444880), (35, 11378176), (40, 9955904), (56, 7111360), (64, 6222440), (70, 5689088), (71, 5608960), (80, 4977952), (112, 3555680), (128, 3111220), (140, 2844544), (142, 2804480), (160, 2488976), (224, 1777840), (256, 1555610), (280, 1422272), (284, 1402240), (313, 1272320), (320, 1244488), (355, 1121792), (448, 888920), (497, 801280), (512, 777805), (560, 711136), (568, 701120), (626, 636160), (640, 622244), (710, 560896), (896, 444460), (994, 400640), (1120, 355568), (1136, 350560), (1252, 318080), (1280, 311122), (1420, 280448), (1565, 254464), (1792, 222230), (1988, 200320), (2191, 181760), (2240, 177784), (2272, 175280), (2485, 160256), (2504, 159040), (2560, 155561), (2840, 140224), (3130, 127232), (3584, 111115), (3976, 100160), (4382, 90880), (4480, 88892), (4544, 87640), (4970, 80128), (5008, 79520), (5680, 70112), (6260, 63616), (7952, 50080), (8764, 45440), (8960, 44446), (9088, 43820), (9940, 40064), (10016, 39760), (10955, 36352), (11360, 35056), (12520, 31808), (15904, 25040), (17528, 22720), (17920, 22223), (18176, 21910), (19880, 20032)]