2894920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{211}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 7632000

約数和(自身を除く): 4737080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 211, 245, 280, 343, 392, 422, 490, 686, 844, 980, 1055, 1372, 1477, 1688, 1715, 1960, 2110, 2744, 2954, 3430, 4220, 5908, 6860, 7385, 8440, 10339, 11816, 13720, 14770, 20678, 29540, 41356, 51695, 59080, 72373, 82712, 103390, 144746, 206780, 289492, 361865, 413560, 578984, 723730, 1447460, 2894920]

約数ペア:

[(1, 2894920), (2, 1447460), (4, 723730), (5, 578984), (7, 413560), (8, 361865), (10, 289492), (14, 206780), (20, 144746), (28, 103390), (35, 82712), (40, 72373), (49, 59080), (56, 51695), (70, 41356), (98, 29540), (140, 20678), (196, 14770), (211, 13720), (245, 11816), (280, 10339), (343, 8440), (392, 7385), (422, 6860), (490, 5908), (686, 4220), (844, 3430), (980, 2954), (1055, 2744), (1372, 2110), (1477, 1960), (1688, 1715)]