28973970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 48786030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 239, 270, 449, 478, 717, 898, 1195, 1347, 1434, 2151, 2245, 2390, 2694, 3585, 4041, 4302, 4490, 6453, 6735, 7170, 8082, 10755, 12123, 12906, 13470, 20205, 21510, 24246, 32265, 40410, 60615, 64530, 107311, 121230, 214622, 321933, 536555, 643866, 965799, 1073110, 1609665, 1931598, 2897397, 3219330, 4828995, 5794794, 9657990, 14486985, 28973970]

約数ペア:

[(1, 28973970), (2, 14486985), (3, 9657990), (5, 5794794), (6, 4828995), (9, 3219330), (10, 2897397), (15, 1931598), (18, 1609665), (27, 1073110), (30, 965799), (45, 643866), (54, 536555), (90, 321933), (135, 214622), (239, 121230), (270, 107311), (449, 64530), (478, 60615), (717, 40410), (898, 32265), (1195, 24246), (1347, 21510), (1434, 20205), (2151, 13470), (2245, 12906), (2390, 12123), (2694, 10755), (3585, 8082), (4041, 7170), (4302, 6735), (4490, 6453)]