48978440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{24989}}^1$

素因数の和:25014

約数の個数: 48

約数和(自身を含む): 128198700

約数和(自身を除く): 79220260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 24989, 49978, 99956, 124945, 174923, 199912, 249890, 349846, 499780, 699692, 874615, 999560, 1224461, 1399384, 1749230, 2448922, 3498460, 4897844, 6122305, 6996920, 9795688, 12244610, 24489220, 48978440]

約数ペア:

[(1, 48978440), (2, 24489220), (4, 12244610), (5, 9795688), (7, 6996920), (8, 6122305), (10, 4897844), (14, 3498460), (20, 2448922), (28, 1749230), (35, 1399384), (40, 1224461), (49, 999560), (56, 874615), (70, 699692), (98, 499780), (140, 349846), (196, 249890), (245, 199912), (280, 174923), (392, 124945), (490, 99956), (980, 49978), (1960, 24989)]