202991320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{103567}}^1$

素因数の和:103592

約数の個数: 48

約数和(自身を含む): 531303840

約数和(自身を除く): 328312520

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, 103567, 207134, 414268, 517835, 724969, 828536, 1035670, 1449938, 2071340, 2899876, 3624845, 4142680, 5074783, 5799752, 7249690, 10149566, 14499380, 20299132, 25373915, 28998760, 40598264, 50747830, 101495660, 202991320]

約数ペア:

[(1, 202991320), (2, 101495660), (4, 50747830), (5, 40598264), (7, 28998760), (8, 25373915), (10, 20299132), (14, 14499380), (20, 10149566), (28, 7249690), (35, 5799752), (40, 5074783), (49, 4142680), (56, 3624845), (70, 2899876), (98, 2071340), (140, 1449938), (196, 1035670), (245, 828536), (280, 724969), (392, 517835), (490, 414268), (980, 207134), (1960, 103567)]