161248220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{4447}}^1$

素因数の和:4507

約数の個数: 72

約数和(自身を含む): 404643456

約数和(自身を除く): 243395236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2590, 3626, 4447, 5180, 7252, 8894, 9065, 17788, 18130, 22235, 31129, 36260, 44470, 62258, 88940, 124516, 155645, 164539, 217903, 311290, 329078, 435806, 622580, 658156, 822695, 871612, 1089515, 1151773, 1645390, 2179030, 2303546, 3290780, 4358060, 4607092, 5758865, 8062411, 11517730, 16124822, 23035460, 32249644, 40312055, 80624110, 161248220]

約数ペア:

[(1, 161248220), (2, 80624110), (4, 40312055), (5, 32249644), (7, 23035460), (10, 16124822), (14, 11517730), (20, 8062411), (28, 5758865), (35, 4607092), (37, 4358060), (49, 3290780), (70, 2303546), (74, 2179030), (98, 1645390), (140, 1151773), (148, 1089515), (185, 871612), (196, 822695), (245, 658156), (259, 622580), (370, 435806), (490, 329078), (518, 311290), (740, 217903), (980, 164539), (1036, 155645), (1295, 124516), (1813, 88940), (2590, 62258), (3626, 44470), (4447, 36260), (5180, 31129), (7252, 22235), (8894, 18130), (9065, 17788)]