3988896040

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1\times {\mathrm{983}}^1$

素因数の和:1666

約数の個数: 64

約数和(自身を含む): 9043747200

約数和(自身を除く): 5054851160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 443, 458, 886, 916, 983, 1145, 1772, 1832, 1966, 2215, 2290, 3544, 3932, 4430, 4580, 4915, 7864, 8860, 9160, 9830, 17720, 19660, 39320, 101447, 202894, 225107, 405788, 435469, 450214, 507235, 811576, 870938, 900428, 1014470, 1125535, 1741876, 1800856, 2028940, 2177345, 2251070, 3483752, 4057880, 4354690, 4502140, 8709380, 9004280, 17418760, 99722401, 199444802, 398889604, 498612005, 797779208, 997224010, 1994448020, 3988896040]

約数ペア:

[(1, 3988896040), (2, 1994448020), (4, 997224010), (5, 797779208), (8, 498612005), (10, 398889604), (20, 199444802), (40, 99722401), (229, 17418760), (443, 9004280), (458, 8709380), (886, 4502140), (916, 4354690), (983, 4057880), (1145, 3483752), (1772, 2251070), (1832, 2177345), (1966, 2028940), (2215, 1800856), (2290, 1741876), (3544, 1125535), (3932, 1014470), (4430, 900428), (4580, 870938), (4915, 811576), (7864, 507235), (8860, 450214), (9160, 435469), (9830, 405788), (17720, 225107), (19660, 202894), (39320, 101447)]